Home / 3,001.30-4,143.84-2,685.61

Finding the Fourth Proportional to 3,001.30, 4,143.84 and 2,685.61

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Solution

The fourth proportional to 3,001.30, 4,143.84 and 2,685.61 is: 3,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.30 : 4,143.84 = 2,685.61 : x
  2. Step 2: Convert to fraction form
    3,001.30/4,143.84 = 2,685.61/x
  3. Step 3: Cross multiply
    3,001.30x = 4,143.84 × 2,685.61
  4. Step 4: Simplify right side
    3,001.30x = 11,128,738.14
  5. Step 5: Solve for x
    x = 11,128,738.14/3,001.30
  6. Step 6: Final answer
    x = 3,707.97

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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.