Home / 1,712.22-2,566.76-616.32

Finding the Fourth Proportional to 1,712.22, 2,566.76 and 616.32

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Solution

The fourth proportional to 1,712.22, 2,566.76 and 616.32 is: 923.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.22 : 2,566.76 = 616.32 : x
  2. Step 2: Convert to fraction form
    1,712.22/2,566.76 = 616.32/x
  3. Step 3: Cross multiply
    1,712.22x = 2,566.76 × 616.32
  4. Step 4: Simplify right side
    1,712.22x = 1,581,942.44
  5. Step 5: Solve for x
    x = 1,581,942.44/1,712.22
  6. Step 6: Final answer
    x = 923.91

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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.