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Finding the Fourth Proportional to 1,592.78, 2,390.28 and 566.78

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Solution

The fourth proportional to 1,592.78, 2,390.28 and 566.78 is: 850.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.78 : 2,390.28 = 566.78 : x
  2. Step 2: Convert to fraction form
    1,592.78/2,390.28 = 566.78/x
  3. Step 3: Cross multiply
    1,592.78x = 2,390.28 × 566.78
  4. Step 4: Simplify right side
    1,592.78x = 1,354,762.90
  5. Step 5: Solve for x
    x = 1,354,762.90/1,592.78
  6. Step 6: Final answer
    x = 850.56

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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.