Home / 3,312.28-4,971.86-3,237.90

Finding the Fourth Proportional to 3,312.28, 4,971.86 and 3,237.90

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Solution

The fourth proportional to 3,312.28, 4,971.86 and 3,237.90 is: 4,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.28 : 4,971.86 = 3,237.90 : x
  2. Step 2: Convert to fraction form
    3,312.28/4,971.86 = 3,237.90/x
  3. Step 3: Cross multiply
    3,312.28x = 4,971.86 × 3,237.90
  4. Step 4: Simplify right side
    3,312.28x = 16,098,385.49
  5. Step 5: Solve for x
    x = 16,098,385.49/3,312.28
  6. Step 6: Final answer
    x = 4,860.21

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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.