Home / 3,727.25-5,591.10-1,130.21

Finding the Fourth Proportional to 3,727.25, 5,591.10 and 1,130.21

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Solution

The fourth proportional to 3,727.25, 5,591.10 and 1,130.21 is: 1,695.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.25 : 5,591.10 = 1,130.21 : x
  2. Step 2: Convert to fraction form
    3,727.25/5,591.10 = 1,130.21/x
  3. Step 3: Cross multiply
    3,727.25x = 5,591.10 × 1,130.21
  4. Step 4: Simplify right side
    3,727.25x = 6,319,117.13
  5. Step 5: Solve for x
    x = 6,319,117.13/3,727.25
  6. Step 6: Final answer
    x = 1,695.38

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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.