Home / 3,960.43-5,460.92-2,962.51

Finding the Fourth Proportional to 3,960.43, 5,460.92 and 2,962.51

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Solution

The fourth proportional to 3,960.43, 5,460.92 and 2,962.51 is: 4,084.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.43 : 5,460.92 = 2,962.51 : x
  2. Step 2: Convert to fraction form
    3,960.43/5,460.92 = 2,962.51/x
  3. Step 3: Cross multiply
    3,960.43x = 5,460.92 × 2,962.51
  4. Step 4: Simplify right side
    3,960.43x = 16,178,012.75
  5. Step 5: Solve for x
    x = 16,178,012.75/3,960.43
  6. Step 6: Final answer
    x = 4,084.92

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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.