Home / 3,430.61-5,154.12-2,200.41

Finding the Fourth Proportional to 3,430.61, 5,154.12 and 2,200.41

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Solution

The fourth proportional to 3,430.61, 5,154.12 and 2,200.41 is: 3,305.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.61 : 5,154.12 = 2,200.41 : x
  2. Step 2: Convert to fraction form
    3,430.61/5,154.12 = 2,200.41/x
  3. Step 3: Cross multiply
    3,430.61x = 5,154.12 × 2,200.41
  4. Step 4: Simplify right side
    3,430.61x = 11,341,177.19
  5. Step 5: Solve for x
    x = 11,341,177.19/3,430.61
  6. Step 6: Final answer
    x = 3,305.88

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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.