Home / 3,331.42-4,985.34-2,874.58

Finding the Fourth Proportional to 3,331.42, 4,985.34 and 2,874.58

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Solution

The fourth proportional to 3,331.42, 4,985.34 and 2,874.58 is: 4,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.42 : 4,985.34 = 2,874.58 : x
  2. Step 2: Convert to fraction form
    3,331.42/4,985.34 = 2,874.58/x
  3. Step 3: Cross multiply
    3,331.42x = 4,985.34 × 2,874.58
  4. Step 4: Simplify right side
    3,331.42x = 14,330,758.66
  5. Step 5: Solve for x
    x = 14,330,758.66/3,331.42
  6. Step 6: Final answer
    x = 4,301.70

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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.