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Finding the Fourth Proportional to 3,374.46, 5,053.05 and 3,080.70

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Solution

The fourth proportional to 3,374.46, 5,053.05 and 3,080.70 is: 4,613.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.46 : 5,053.05 = 3,080.70 : x
  2. Step 2: Convert to fraction form
    3,374.46/5,053.05 = 3,080.70/x
  3. Step 3: Cross multiply
    3,374.46x = 5,053.05 × 3,080.70
  4. Step 4: Simplify right side
    3,374.46x = 15,566,931.14
  5. Step 5: Solve for x
    x = 15,566,931.14/3,374.46
  6. Step 6: Final answer
    x = 4,613.16

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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.