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Finding the Fourth Proportional to 1,701.16, 2,552.10 and 547

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Solution

The fourth proportional to 1,701.16, 2,552.10 and 547 is: 820.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.16 : 2,552.10 = 547 : x
  2. Step 2: Convert to fraction form
    1,701.16/2,552.10 = 547/x
  3. Step 3: Cross multiply
    1,701.16x = 2,552.10 × 547
  4. Step 4: Simplify right side
    1,701.16x = 1,395,998.70
  5. Step 5: Solve for x
    x = 1,395,998.70/1,701.16
  6. Step 6: Final answer
    x = 820.62

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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.