Home / 3,989.44-5,502.72-2,332.48

Finding the Fourth Proportional to 3,989.44, 5,502.72 and 2,332.48

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Solution

The fourth proportional to 3,989.44, 5,502.72 and 2,332.48 is: 3,217.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.44 : 5,502.72 = 2,332.48 : x
  2. Step 2: Convert to fraction form
    3,989.44/5,502.72 = 2,332.48/x
  3. Step 3: Cross multiply
    3,989.44x = 5,502.72 × 2,332.48
  4. Step 4: Simplify right side
    3,989.44x = 12,834,984.35
  5. Step 5: Solve for x
    x = 12,834,984.35/3,989.44
  6. Step 6: Final answer
    x = 3,217.24

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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.