Home / 2,037.37-2,811.57-1,153.18

Finding the Fourth Proportional to 2,037.37, 2,811.57 and 1,153.18

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Solution

The fourth proportional to 2,037.37, 2,811.57 and 1,153.18 is: 1,591.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.37 : 2,811.57 = 1,153.18 : x
  2. Step 2: Convert to fraction form
    2,037.37/2,811.57 = 1,153.18/x
  3. Step 3: Cross multiply
    2,037.37x = 2,811.57 × 1,153.18
  4. Step 4: Simplify right side
    2,037.37x = 3,242,246.29
  5. Step 5: Solve for x
    x = 3,242,246.29/2,037.37
  6. Step 6: Final answer
    x = 1,591.39

Related Problems

Find fourth proportional to 1,018.69, 1,405.79 and 576.59
Half scale
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Double scale
Find fourth proportional to 2,038.37, 2,812.95 and 1,154.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.