Home / 3,405.27-4,695.57-2,144.85

Finding the Fourth Proportional to 3,405.27, 4,695.57 and 2,144.85

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Solution

The fourth proportional to 3,405.27, 4,695.57 and 2,144.85 is: 2,957.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.27 : 4,695.57 = 2,144.85 : x
  2. Step 2: Convert to fraction form
    3,405.27/4,695.57 = 2,144.85/x
  3. Step 3: Cross multiply
    3,405.27x = 4,695.57 × 2,144.85
  4. Step 4: Simplify right side
    3,405.27x = 10,071,275.71
  5. Step 5: Solve for x
    x = 10,071,275.71/3,405.27
  6. Step 6: Final answer
    x = 2,957.55

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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.