Home / 1,225.60-1,839.44-532.82

Finding the Fourth Proportional to 1,225.60, 1,839.44 and 532.82

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Solution

The fourth proportional to 1,225.60, 1,839.44 and 532.82 is: 799.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225.60 : 1,839.44 = 532.82 : x
  2. Step 2: Convert to fraction form
    1,225.60/1,839.44 = 532.82/x
  3. Step 3: Cross multiply
    1,225.60x = 1,839.44 × 532.82
  4. Step 4: Simplify right side
    1,225.60x = 980,095.02
  5. Step 5: Solve for x
    x = 980,095.02/1,225.60
  6. Step 6: Final answer
    x = 799.68

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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.