Home / 2,952.12-4,428.19-1,103.21

Finding the Fourth Proportional to 2,952.12, 4,428.19 and 1,103.21

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Solution

The fourth proportional to 2,952.12, 4,428.19 and 1,103.21 is: 1,654.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.12 : 4,428.19 = 1,103.21 : x
  2. Step 2: Convert to fraction form
    2,952.12/4,428.19 = 1,103.21/x
  3. Step 3: Cross multiply
    2,952.12x = 4,428.19 × 1,103.21
  4. Step 4: Simplify right side
    2,952.12x = 4,885,223.49
  5. Step 5: Solve for x
    x = 4,885,223.49/2,952.12
  6. Step 6: Final answer
    x = 1,654.82

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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.