Home / 3,242.89-4,475.12-1,983.96

Finding the Fourth Proportional to 3,242.89, 4,475.12 and 1,983.96

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Solution

The fourth proportional to 3,242.89, 4,475.12 and 1,983.96 is: 2,737.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.89 : 4,475.12 = 1,983.96 : x
  2. Step 2: Convert to fraction form
    3,242.89/4,475.12 = 1,983.96/x
  3. Step 3: Cross multiply
    3,242.89x = 4,475.12 × 1,983.96
  4. Step 4: Simplify right side
    3,242.89x = 8,878,460.34
  5. Step 5: Solve for x
    x = 8,878,460.34/3,242.89
  6. Step 6: Final answer
    x = 2,737.82

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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.