Home / 1,712.15-2,566.67-616.25

Finding the Fourth Proportional to 1,712.15, 2,566.67 and 616.25

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Solution

The fourth proportional to 1,712.15, 2,566.67 and 616.25 is: 923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.15 : 2,566.67 = 616.25 : x
  2. Step 2: Convert to fraction form
    1,712.15/2,566.67 = 616.25/x
  3. Step 3: Cross multiply
    1,712.15x = 2,566.67 × 616.25
  4. Step 4: Simplify right side
    1,712.15x = 1,581,710.39
  5. Step 5: Solve for x
    x = 1,581,710.39/1,712.15
  6. Step 6: Final answer
    x = 923.82

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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.