Home / 3,061.03-4,225.13-1,998.96

Finding the Fourth Proportional to 3,061.03, 4,225.13 and 1,998.96

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Solution

The fourth proportional to 3,061.03, 4,225.13 and 1,998.96 is: 2,759.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.03 : 4,225.13 = 1,998.96 : x
  2. Step 2: Convert to fraction form
    3,061.03/4,225.13 = 1,998.96/x
  3. Step 3: Cross multiply
    3,061.03x = 4,225.13 × 1,998.96
  4. Step 4: Simplify right side
    3,061.03x = 8,445,866.43
  5. Step 5: Solve for x
    x = 8,445,866.43/3,061.03
  6. Step 6: Final answer
    x = 2,759.16

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Double scale
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1.5x scale

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.