Home / 2,490.92-3,736.12-1,104.28

Finding the Fourth Proportional to 2,490.92, 3,736.12 and 1,104.28

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Solution

The fourth proportional to 2,490.92, 3,736.12 and 1,104.28 is: 1,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.92 : 3,736.12 = 1,104.28 : x
  2. Step 2: Convert to fraction form
    2,490.92/3,736.12 = 1,104.28/x
  3. Step 3: Cross multiply
    2,490.92x = 3,736.12 × 1,104.28
  4. Step 4: Simplify right side
    2,490.92x = 4,125,722.59
  5. Step 5: Solve for x
    x = 4,125,722.59/2,490.92
  6. Step 6: Final answer
    x = 1,656.30

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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.