Home / 2,252.00-3,378.56-691.94

Finding the Fourth Proportional to 2,252.00, 3,378.56 and 691.94

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Solution

The fourth proportional to 2,252.00, 3,378.56 and 691.94 is: 1,038.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.00 : 3,378.56 = 691.94 : x
  2. Step 2: Convert to fraction form
    2,252.00/3,378.56 = 691.94/x
  3. Step 3: Cross multiply
    2,252.00x = 3,378.56 × 691.94
  4. Step 4: Simplify right side
    2,252.00x = 2,337,769.69
  5. Step 5: Solve for x
    x = 2,337,769.69/2,252.00
  6. Step 6: Final answer
    x = 1,038.08

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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.