Home / 3,955.41-5,458.28-2,276.87

Finding the Fourth Proportional to 3,955.41, 5,458.28 and 2,276.87

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Solution

The fourth proportional to 3,955.41, 5,458.28 and 2,276.87 is: 3,141.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.41 : 5,458.28 = 2,276.87 : x
  2. Step 2: Convert to fraction form
    3,955.41/5,458.28 = 2,276.87/x
  3. Step 3: Cross multiply
    3,955.41x = 5,458.28 × 2,276.87
  4. Step 4: Simplify right side
    3,955.41x = 12,427,766.69
  5. Step 5: Solve for x
    x = 12,427,766.69/3,955.41
  6. Step 6: Final answer
    x = 3,141.97

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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.