Home / 2,881.13-4,314.73-1,644.78

Finding the Fourth Proportional to 2,881.13, 4,314.73 and 1,644.78

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Solution

The fourth proportional to 2,881.13, 4,314.73 and 1,644.78 is: 2,463.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.13 : 4,314.73 = 1,644.78 : x
  2. Step 2: Convert to fraction form
    2,881.13/4,314.73 = 1,644.78/x
  3. Step 3: Cross multiply
    2,881.13x = 4,314.73 × 1,644.78
  4. Step 4: Simplify right side
    2,881.13x = 7,096,781.61
  5. Step 5: Solve for x
    x = 7,096,781.61/2,881.13
  6. Step 6: Final answer
    x = 2,463.19

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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.