Home / 2,037.50-2,811.75-1,340.12

Finding the Fourth Proportional to 2,037.50, 2,811.75 and 1,340.12

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Solution

The fourth proportional to 2,037.50, 2,811.75 and 1,340.12 is: 1,849.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.50 : 2,811.75 = 1,340.12 : x
  2. Step 2: Convert to fraction form
    2,037.50/2,811.75 = 1,340.12/x
  3. Step 3: Cross multiply
    2,037.50x = 2,811.75 × 1,340.12
  4. Step 4: Simplify right side
    2,037.50x = 3,768,082.41
  5. Step 5: Solve for x
    x = 3,768,082.41/2,037.50
  6. Step 6: Final answer
    x = 1,849.37

Related Problems

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Half scale
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Double scale
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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.