Home / 3,727.20-5,590.79-1,130.14

Finding the Fourth Proportional to 3,727.20, 5,590.79 and 1,130.14

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Solution

The fourth proportional to 3,727.20, 5,590.79 and 1,130.14 is: 1,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.20 : 5,590.79 = 1,130.14 : x
  2. Step 2: Convert to fraction form
    3,727.20/5,590.79 = 1,130.14/x
  3. Step 3: Cross multiply
    3,727.20x = 5,590.79 × 1,130.14
  4. Step 4: Simplify right side
    3,727.20x = 6,318,355.90
  5. Step 5: Solve for x
    x = 6,318,355.90/3,727.20
  6. Step 6: Final answer
    x = 1,695.20

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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.