Home / 3,630.90-5,011.71-2,372.15

Finding the Fourth Proportional to 3,630.90, 5,011.71 and 2,372.15

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Solution

The fourth proportional to 3,630.90, 5,011.71 and 2,372.15 is: 3,274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.90 : 5,011.71 = 2,372.15 : x
  2. Step 2: Convert to fraction form
    3,630.90/5,011.71 = 2,372.15/x
  3. Step 3: Cross multiply
    3,630.90x = 5,011.71 × 2,372.15
  4. Step 4: Simplify right side
    3,630.90x = 11,888,502.82
  5. Step 5: Solve for x
    x = 11,888,502.82/3,630.90
  6. Step 6: Final answer
    x = 3,274.26

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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.