Home / 1,454.30-2,180.49-587.74

Finding the Fourth Proportional to 1,454.30, 2,180.49 and 587.74

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Solution

The fourth proportional to 1,454.30, 2,180.49 and 587.74 is: 881.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.30 : 2,180.49 = 587.74 : x
  2. Step 2: Convert to fraction form
    1,454.30/2,180.49 = 587.74/x
  3. Step 3: Cross multiply
    1,454.30x = 2,180.49 × 587.74
  4. Step 4: Simplify right side
    1,454.30x = 1,281,561.19
  5. Step 5: Solve for x
    x = 1,281,561.19/1,454.30
  6. Step 6: Final answer
    x = 881.22

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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.