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Finding the Fourth Proportional to 1,616.74, 2,424.84 and 576.58

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Solution

The fourth proportional to 1,616.74, 2,424.84 and 576.58 is: 864.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.74 : 2,424.84 = 576.58 : x
  2. Step 2: Convert to fraction form
    1,616.74/2,424.84 = 576.58/x
  3. Step 3: Cross multiply
    1,616.74x = 2,424.84 × 576.58
  4. Step 4: Simplify right side
    1,616.74x = 1,398,114.25
  5. Step 5: Solve for x
    x = 1,398,114.25/1,616.74
  6. Step 6: Final answer
    x = 864.77

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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.