Home / 2,490.13-3,733.27-1,256.91

Finding the Fourth Proportional to 2,490.13, 3,733.27 and 1,256.91

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Solution

The fourth proportional to 2,490.13, 3,733.27 and 1,256.91 is: 1,884.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.13 : 3,733.27 = 1,256.91 : x
  2. Step 2: Convert to fraction form
    2,490.13/3,733.27 = 1,256.91/x
  3. Step 3: Cross multiply
    2,490.13x = 3,733.27 × 1,256.91
  4. Step 4: Simplify right side
    2,490.13x = 4,692,365.73
  5. Step 5: Solve for x
    x = 4,692,365.73/2,490.13
  6. Step 6: Final answer
    x = 1,884.39

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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.