Home / 3,945.06-5,444.57-2,948.61

Finding the Fourth Proportional to 3,945.06, 5,444.57 and 2,948.61

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Solution

The fourth proportional to 3,945.06, 5,444.57 and 2,948.61 is: 4,069.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.06 : 5,444.57 = 2,948.61 : x
  2. Step 2: Convert to fraction form
    3,945.06/5,444.57 = 2,948.61/x
  3. Step 3: Cross multiply
    3,945.06x = 5,444.57 × 2,948.61
  4. Step 4: Simplify right side
    3,945.06x = 16,053,898.80
  5. Step 5: Solve for x
    x = 16,053,898.80/3,945.06
  6. Step 6: Final answer
    x = 4,069.37

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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.