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Finding the Fourth Proportional to 1,714.87, 2,572.29 and 416.33

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Solution

The fourth proportional to 1,714.87, 2,572.29 and 416.33 is: 624.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714.87 : 2,572.29 = 416.33 : x
  2. Step 2: Convert to fraction form
    1,714.87/2,572.29 = 416.33/x
  3. Step 3: Cross multiply
    1,714.87x = 2,572.29 × 416.33
  4. Step 4: Simplify right side
    1,714.87x = 1,070,921.50
  5. Step 5: Solve for x
    x = 1,070,921.50/1,714.87
  6. Step 6: Final answer
    x = 624.49

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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.