Home / 1,045.20-1,566.90-532.20

Finding the Fourth Proportional to 1,045.20, 1,566.90 and 532.20

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Solution

The fourth proportional to 1,045.20, 1,566.90 and 532.20 is: 797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.20 : 1,566.90 = 532.20 : x
  2. Step 2: Convert to fraction form
    1,045.20/1,566.90 = 532.20/x
  3. Step 3: Cross multiply
    1,045.20x = 1,566.90 × 532.20
  4. Step 4: Simplify right side
    1,045.20x = 833,904.18
  5. Step 5: Solve for x
    x = 833,904.18/1,045.20
  6. Step 6: Final answer
    x = 797.84

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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.