Home / 3,591.65-5,387.40-1,742.91

Finding the Fourth Proportional to 3,591.65, 5,387.40 and 1,742.91

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Solution

The fourth proportional to 3,591.65, 5,387.40 and 1,742.91 is: 2,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.65 : 5,387.40 = 1,742.91 : x
  2. Step 2: Convert to fraction form
    3,591.65/5,387.40 = 1,742.91/x
  3. Step 3: Cross multiply
    3,591.65x = 5,387.40 × 1,742.91
  4. Step 4: Simplify right side
    3,591.65x = 9,389,753.33
  5. Step 5: Solve for x
    x = 9,389,753.33/3,591.65
  6. Step 6: Final answer
    x = 2,614.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.