Home / 1,445.84-2,167.14-579.14

Finding the Fourth Proportional to 1,445.84, 2,167.14 and 579.14

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Solution

The fourth proportional to 1,445.84, 2,167.14 and 579.14 is: 868.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445.84 : 2,167.14 = 579.14 : x
  2. Step 2: Convert to fraction form
    1,445.84/2,167.14 = 579.14/x
  3. Step 3: Cross multiply
    1,445.84x = 2,167.14 × 579.14
  4. Step 4: Simplify right side
    1,445.84x = 1,255,077.46
  5. Step 5: Solve for x
    x = 1,255,077.46/1,445.84
  6. Step 6: Final answer
    x = 868.06

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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.