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Finding the Fourth Proportional to 1,665.10, 2,497.88 and 569.17

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Solution

The fourth proportional to 1,665.10, 2,497.88 and 569.17 is: 853.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665.10 : 2,497.88 = 569.17 : x
  2. Step 2: Convert to fraction form
    1,665.10/2,497.88 = 569.17/x
  3. Step 3: Cross multiply
    1,665.10x = 2,497.88 × 569.17
  4. Step 4: Simplify right side
    1,665.10x = 1,421,718.36
  5. Step 5: Solve for x
    x = 1,421,718.36/1,665.10
  6. Step 6: Final answer
    x = 853.83

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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.