Home / 4,146.80-5,718.92-2,654.15

Finding the Fourth Proportional to 4,146.80, 5,718.92 and 2,654.15

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Solution

The fourth proportional to 4,146.80, 5,718.92 and 2,654.15 is: 3,660.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.80 : 5,718.92 = 2,654.15 : x
  2. Step 2: Convert to fraction form
    4,146.80/5,718.92 = 2,654.15/x
  3. Step 3: Cross multiply
    4,146.80x = 5,718.92 × 2,654.15
  4. Step 4: Simplify right side
    4,146.80x = 15,178,829.65
  5. Step 5: Solve for x
    x = 15,178,829.65/4,146.80
  6. Step 6: Final answer
    x = 3,660.38

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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.