Home / 2,934.20-4,398.22-1,372.89

Finding the Fourth Proportional to 2,934.20, 4,398.22 and 1,372.89

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Solution

The fourth proportional to 2,934.20, 4,398.22 and 1,372.89 is: 2,057.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.20 : 4,398.22 = 1,372.89 : x
  2. Step 2: Convert to fraction form
    2,934.20/4,398.22 = 1,372.89/x
  3. Step 3: Cross multiply
    2,934.20x = 4,398.22 × 1,372.89
  4. Step 4: Simplify right side
    2,934.20x = 6,038,263.40
  5. Step 5: Solve for x
    x = 6,038,263.40/2,934.20
  6. Step 6: Final answer
    x = 2,057.89

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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.