Home / 3,321-4,983.52-1,372.95

Finding the Fourth Proportional to 3,321, 4,983.52 and 1,372.95

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Solution

The fourth proportional to 3,321, 4,983.52 and 1,372.95 is: 2,060.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321 : 4,983.52 = 1,372.95 : x
  2. Step 2: Convert to fraction form
    3,321/4,983.52 = 1,372.95/x
  3. Step 3: Cross multiply
    3,321x = 4,983.52 × 1,372.95
  4. Step 4: Simplify right side
    3,321x = 6,842,123.78
  5. Step 5: Solve for x
    x = 6,842,123.78/3,321
  6. Step 6: Final answer
    x = 2,060.26

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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.