Home / 3,687.66-5,095.45-2,947.73

Finding the Fourth Proportional to 3,687.66, 5,095.45 and 2,947.73

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Solution

The fourth proportional to 3,687.66, 5,095.45 and 2,947.73 is: 4,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.66 : 5,095.45 = 2,947.73 : x
  2. Step 2: Convert to fraction form
    3,687.66/5,095.45 = 2,947.73/x
  3. Step 3: Cross multiply
    3,687.66x = 5,095.45 × 2,947.73
  4. Step 4: Simplify right side
    3,687.66x = 15,020,010.83
  5. Step 5: Solve for x
    x = 15,020,010.83/3,687.66
  6. Step 6: Final answer
    x = 4,073.05

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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.