Home / 2,982.12-4,111.41-2,566.92

Finding the Fourth Proportional to 2,982.12, 4,111.41 and 2,566.92

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Solution

The fourth proportional to 2,982.12, 4,111.41 and 2,566.92 is: 3,538.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.12 : 4,111.41 = 2,566.92 : x
  2. Step 2: Convert to fraction form
    2,982.12/4,111.41 = 2,566.92/x
  3. Step 3: Cross multiply
    2,982.12x = 4,111.41 × 2,566.92
  4. Step 4: Simplify right side
    2,982.12x = 10,553,671.16
  5. Step 5: Solve for x
    x = 10,553,671.16/2,982.12
  6. Step 6: Final answer
    x = 3,538.99

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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.