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Finding the Fourth Proportional to 3,670.02, 5,499.28 and 2,839.12

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Solution

The fourth proportional to 3,670.02, 5,499.28 and 2,839.12 is: 4,254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.02 : 5,499.28 = 2,839.12 : x
  2. Step 2: Convert to fraction form
    3,670.02/5,499.28 = 2,839.12/x
  3. Step 3: Cross multiply
    3,670.02x = 5,499.28 × 2,839.12
  4. Step 4: Simplify right side
    3,670.02x = 15,613,115.83
  5. Step 5: Solve for x
    x = 15,613,115.83/3,670.02
  6. Step 6: Final answer
    x = 4,254.23

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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.