Home / 1,085.90-1,630.35-566.28

Finding the Fourth Proportional to 1,085.90, 1,630.35 and 566.28

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Solution

The fourth proportional to 1,085.90, 1,630.35 and 566.28 is: 850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085.90 : 1,630.35 = 566.28 : x
  2. Step 2: Convert to fraction form
    1,085.90/1,630.35 = 566.28/x
  3. Step 3: Cross multiply
    1,085.90x = 1,630.35 × 566.28
  4. Step 4: Simplify right side
    1,085.90x = 923,234.60
  5. Step 5: Solve for x
    x = 923,234.60/1,085.90
  6. Step 6: Final answer
    x = 850.21

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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.