Home / 3,727.20-5,147.28-3,070.56

Finding the Fourth Proportional to 3,727.20, 5,147.28 and 3,070.56

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Solution

The fourth proportional to 3,727.20, 5,147.28 and 3,070.56 is: 4,240.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.20 : 5,147.28 = 3,070.56 : x
  2. Step 2: Convert to fraction form
    3,727.20/5,147.28 = 3,070.56/x
  3. Step 3: Cross multiply
    3,727.20x = 5,147.28 × 3,070.56
  4. Step 4: Simplify right side
    3,727.20x = 15,805,032.08
  5. Step 5: Solve for x
    x = 15,805,032.08/3,727.20
  6. Step 6: Final answer
    x = 4,240.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.