Home / 2,951.68-4,074.24-2,854.40

Finding the Fourth Proportional to 2,951.68, 4,074.24 and 2,854.40

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Solution

The fourth proportional to 2,951.68, 4,074.24 and 2,854.40 is: 3,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.68 : 4,074.24 = 2,854.40 : x
  2. Step 2: Convert to fraction form
    2,951.68/4,074.24 = 2,854.40/x
  3. Step 3: Cross multiply
    2,951.68x = 4,074.24 × 2,854.40
  4. Step 4: Simplify right side
    2,951.68x = 11,629,510.66
  5. Step 5: Solve for x
    x = 11,629,510.66/2,951.68
  6. Step 6: Final answer
    x = 3,939.96

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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.