Home / 3,648.30-5,473.98-2,479.68

Finding the Fourth Proportional to 3,648.30, 5,473.98 and 2,479.68

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Solution

The fourth proportional to 3,648.30, 5,473.98 and 2,479.68 is: 3,720.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.30 : 5,473.98 = 2,479.68 : x
  2. Step 2: Convert to fraction form
    3,648.30/5,473.98 = 2,479.68/x
  3. Step 3: Cross multiply
    3,648.30x = 5,473.98 × 2,479.68
  4. Step 4: Simplify right side
    3,648.30x = 13,573,718.73
  5. Step 5: Solve for x
    x = 13,573,718.73/3,648.30
  6. Step 6: Final answer
    x = 3,720.56

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1.5x scale

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.