Home / 4,079.53-5,629.41-2,400.66

Finding the Fourth Proportional to 4,079.53, 5,629.41 and 2,400.66

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Solution

The fourth proportional to 4,079.53, 5,629.41 and 2,400.66 is: 3,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.53 : 5,629.41 = 2,400.66 : x
  2. Step 2: Convert to fraction form
    4,079.53/5,629.41 = 2,400.66/x
  3. Step 3: Cross multiply
    4,079.53x = 5,629.41 × 2,400.66
  4. Step 4: Simplify right side
    4,079.53x = 13,514,299.41
  5. Step 5: Solve for x
    x = 13,514,299.41/4,079.53
  6. Step 6: Final answer
    x = 3,312.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.