Home / 1,481.77-2,222.70-616.15

Finding the Fourth Proportional to 1,481.77, 2,222.70 and 616.15

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Solution

The fourth proportional to 1,481.77, 2,222.70 and 616.15 is: 924.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.77 : 2,222.70 = 616.15 : x
  2. Step 2: Convert to fraction form
    1,481.77/2,222.70 = 616.15/x
  3. Step 3: Cross multiply
    1,481.77x = 2,222.70 × 616.15
  4. Step 4: Simplify right side
    1,481.77x = 1,369,516.61
  5. Step 5: Solve for x
    x = 1,369,516.61/1,481.77
  6. Step 6: Final answer
    x = 924.24

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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.