Home / 3,502.68-4,833.78-2,158.74

Finding the Fourth Proportional to 3,502.68, 4,833.78 and 2,158.74

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Solution

The fourth proportional to 3,502.68, 4,833.78 and 2,158.74 is: 2,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.68 : 4,833.78 = 2,158.74 : x
  2. Step 2: Convert to fraction form
    3,502.68/4,833.78 = 2,158.74/x
  3. Step 3: Cross multiply
    3,502.68x = 4,833.78 × 2,158.74
  4. Step 4: Simplify right side
    3,502.68x = 10,434,874.24
  5. Step 5: Solve for x
    x = 10,434,874.24/3,502.68
  6. Step 6: Final answer
    x = 2,979.11

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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.