Home / 2,490.12-3,734.85-1,029.07

Finding the Fourth Proportional to 2,490.12, 3,734.85 and 1,029.07

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Solution

The fourth proportional to 2,490.12, 3,734.85 and 1,029.07 is: 1,543.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.12 : 3,734.85 = 1,029.07 : x
  2. Step 2: Convert to fraction form
    2,490.12/3,734.85 = 1,029.07/x
  3. Step 3: Cross multiply
    2,490.12x = 3,734.85 × 1,029.07
  4. Step 4: Simplify right side
    2,490.12x = 3,843,422.09
  5. Step 5: Solve for x
    x = 3,843,422.09/2,490.12
  6. Step 6: Final answer
    x = 1,543.47

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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.