Home / 2,873.46-3,960.88-2,402.92

Finding the Fourth Proportional to 2,873.46, 3,960.88 and 2,402.92

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Solution

The fourth proportional to 2,873.46, 3,960.88 and 2,402.92 is: 3,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.46 : 3,960.88 = 2,402.92 : x
  2. Step 2: Convert to fraction form
    2,873.46/3,960.88 = 2,402.92/x
  3. Step 3: Cross multiply
    2,873.46x = 3,960.88 × 2,402.92
  4. Step 4: Simplify right side
    2,873.46x = 9,517,677.77
  5. Step 5: Solve for x
    x = 9,517,677.77/2,873.46
  6. Step 6: Final answer
    x = 3,312.27

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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.