Home / 3,630.65-5,011.36-2,371.90

Finding the Fourth Proportional to 3,630.65, 5,011.36 and 2,371.90

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Solution

The fourth proportional to 3,630.65, 5,011.36 and 2,371.90 is: 3,273.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.65 : 5,011.36 = 2,371.90 : x
  2. Step 2: Convert to fraction form
    3,630.65/5,011.36 = 2,371.90/x
  3. Step 3: Cross multiply
    3,630.65x = 5,011.36 × 2,371.90
  4. Step 4: Simplify right side
    3,630.65x = 11,886,444.78
  5. Step 5: Solve for x
    x = 11,886,444.78/3,630.65
  6. Step 6: Final answer
    x = 3,273.92

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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.