Home / 2,248.88-3,366.30-1,428.08

Finding the Fourth Proportional to 2,248.88, 3,366.30 and 1,428.08

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Solution

The fourth proportional to 2,248.88, 3,366.30 and 1,428.08 is: 2,137.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.88 : 3,366.30 = 1,428.08 : x
  2. Step 2: Convert to fraction form
    2,248.88/3,366.30 = 1,428.08/x
  3. Step 3: Cross multiply
    2,248.88x = 3,366.30 × 1,428.08
  4. Step 4: Simplify right side
    2,248.88x = 4,807,345.70
  5. Step 5: Solve for x
    x = 4,807,345.70/2,248.88
  6. Step 6: Final answer
    x = 2,137.66

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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.