Home / 3,490.69-5,229.18-2,026.78

Finding the Fourth Proportional to 3,490.69, 5,229.18 and 2,026.78

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Solution

The fourth proportional to 3,490.69, 5,229.18 and 2,026.78 is: 3,036.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.69 : 5,229.18 = 2,026.78 : x
  2. Step 2: Convert to fraction form
    3,490.69/5,229.18 = 2,026.78/x
  3. Step 3: Cross multiply
    3,490.69x = 5,229.18 × 2,026.78
  4. Step 4: Simplify right side
    3,490.69x = 10,598,397.44
  5. Step 5: Solve for x
    x = 10,598,397.44/3,490.69
  6. Step 6: Final answer
    x = 3,036.19

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1.5x scale

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.