Home / 3,042.01-4,187.82-2,902.69

Finding the Fourth Proportional to 3,042.01, 4,187.82 and 2,902.69

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Solution

The fourth proportional to 3,042.01, 4,187.82 and 2,902.69 is: 3,996.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.01 : 4,187.82 = 2,902.69 : x
  2. Step 2: Convert to fraction form
    3,042.01/4,187.82 = 2,902.69/x
  3. Step 3: Cross multiply
    3,042.01x = 4,187.82 × 2,902.69
  4. Step 4: Simplify right side
    3,042.01x = 12,155,943.24
  5. Step 5: Solve for x
    x = 12,155,943.24/3,042.01
  6. Step 6: Final answer
    x = 3,996.02

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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.