Home / 1,454.04-2,180.58-479.88

Finding the Fourth Proportional to 1,454.04, 2,180.58 and 479.88

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Solution

The fourth proportional to 1,454.04, 2,180.58 and 479.88 is: 719.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.04 : 2,180.58 = 479.88 : x
  2. Step 2: Convert to fraction form
    1,454.04/2,180.58 = 479.88/x
  3. Step 3: Cross multiply
    1,454.04x = 2,180.58 × 479.88
  4. Step 4: Simplify right side
    1,454.04x = 1,046,416.73
  5. Step 5: Solve for x
    x = 1,046,416.73/1,454.04
  6. Step 6: Final answer
    x = 719.66

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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.