Home / 2,248.78-3,102.99-1,253.91

Finding the Fourth Proportional to 2,248.78, 3,102.99 and 1,253.91

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Solution

The fourth proportional to 2,248.78, 3,102.99 and 1,253.91 is: 1,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.78 : 3,102.99 = 1,253.91 : x
  2. Step 2: Convert to fraction form
    2,248.78/3,102.99 = 1,253.91/x
  3. Step 3: Cross multiply
    2,248.78x = 3,102.99 × 1,253.91
  4. Step 4: Simplify right side
    2,248.78x = 3,890,870.19
  5. Step 5: Solve for x
    x = 3,890,870.19/2,248.78
  6. Step 6: Final answer
    x = 1,730.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.