Home / 1,225.94-1,839.24-532.31

Finding the Fourth Proportional to 1,225.94, 1,839.24 and 532.31

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Solution

The fourth proportional to 1,225.94, 1,839.24 and 532.31 is: 798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225.94 : 1,839.24 = 532.31 : x
  2. Step 2: Convert to fraction form
    1,225.94/1,839.24 = 532.31/x
  3. Step 3: Cross multiply
    1,225.94x = 1,839.24 × 532.31
  4. Step 4: Simplify right side
    1,225.94x = 979,036.65
  5. Step 5: Solve for x
    x = 979,036.65/1,225.94
  6. Step 6: Final answer
    x = 798.60

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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.