Home / 3,727.31-5,591.51-1,130.45

Finding the Fourth Proportional to 3,727.31, 5,591.51 and 1,130.45

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Solution

The fourth proportional to 3,727.31, 5,591.51 and 1,130.45 is: 1,695.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.31 : 5,591.51 = 1,130.45 : x
  2. Step 2: Convert to fraction form
    3,727.31/5,591.51 = 1,130.45/x
  3. Step 3: Cross multiply
    3,727.31x = 5,591.51 × 1,130.45
  4. Step 4: Simplify right side
    3,727.31x = 6,320,888.87
  5. Step 5: Solve for x
    x = 6,320,888.87/3,727.31
  6. Step 6: Final answer
    x = 1,695.83

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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.