Home / 2,479.02-3,718.20-629.97

Finding the Fourth Proportional to 2,479.02, 3,718.20 and 629.97

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Solution

The fourth proportional to 2,479.02, 3,718.20 and 629.97 is: 944.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.02 : 3,718.20 = 629.97 : x
  2. Step 2: Convert to fraction form
    2,479.02/3,718.20 = 629.97/x
  3. Step 3: Cross multiply
    2,479.02x = 3,718.20 × 629.97
  4. Step 4: Simplify right side
    2,479.02x = 2,342,354.45
  5. Step 5: Solve for x
    x = 2,342,354.45/2,479.02
  6. Step 6: Final answer
    x = 944.87

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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.