Home / 3,711.90-5,568.70-1,115.04

Finding the Fourth Proportional to 3,711.90, 5,568.70 and 1,115.04

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Solution

The fourth proportional to 3,711.90, 5,568.70 and 1,115.04 is: 1,672.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.90 : 5,568.70 = 1,115.04 : x
  2. Step 2: Convert to fraction form
    3,711.90/5,568.70 = 1,115.04/x
  3. Step 3: Cross multiply
    3,711.90x = 5,568.70 × 1,115.04
  4. Step 4: Simplify right side
    3,711.90x = 6,209,323.25
  5. Step 5: Solve for x
    x = 6,209,323.25/3,711.90
  6. Step 6: Final answer
    x = 1,672.82

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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.