Home / 2,926.31-4,037.92-2,088.72

Finding the Fourth Proportional to 2,926.31, 4,037.92 and 2,088.72

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Solution

The fourth proportional to 2,926.31, 4,037.92 and 2,088.72 is: 2,882.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.31 : 4,037.92 = 2,088.72 : x
  2. Step 2: Convert to fraction form
    2,926.31/4,037.92 = 2,088.72/x
  3. Step 3: Cross multiply
    2,926.31x = 4,037.92 × 2,088.72
  4. Step 4: Simplify right side
    2,926.31x = 8,434,079.04
  5. Step 5: Solve for x
    x = 8,434,079.04/2,926.31
  6. Step 6: Final answer
    x = 2,882.16

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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.