Home / 2,037.20-2,811.33-1,153.09

Finding the Fourth Proportional to 2,037.20, 2,811.33 and 1,153.09

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Solution

The fourth proportional to 2,037.20, 2,811.33 and 1,153.09 is: 1,591.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.20 : 2,811.33 = 1,153.09 : x
  2. Step 2: Convert to fraction form
    2,037.20/2,811.33 = 1,153.09/x
  3. Step 3: Cross multiply
    2,037.20x = 2,811.33 × 1,153.09
  4. Step 4: Simplify right side
    2,037.20x = 3,241,707.45
  5. Step 5: Solve for x
    x = 3,241,707.45/2,037.20
  6. Step 6: Final answer
    x = 1,591.26

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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.