Home / 1,107.55-1,528.41-610.17

Finding the Fourth Proportional to 1,107.55, 1,528.41 and 610.17

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Solution

The fourth proportional to 1,107.55, 1,528.41 and 610.17 is: 842.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107.55 : 1,528.41 = 610.17 : x
  2. Step 2: Convert to fraction form
    1,107.55/1,528.41 = 610.17/x
  3. Step 3: Cross multiply
    1,107.55x = 1,528.41 × 610.17
  4. Step 4: Simplify right side
    1,107.55x = 932,590.70
  5. Step 5: Solve for x
    x = 932,590.70/1,107.55
  6. Step 6: Final answer
    x = 842.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.