Home / 3,079.26-4,248.30-2,371.32

Finding the Fourth Proportional to 3,079.26, 4,248.30 and 2,371.32

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Solution

The fourth proportional to 3,079.26, 4,248.30 and 2,371.32 is: 3,271.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.26 : 4,248.30 = 2,371.32 : x
  2. Step 2: Convert to fraction form
    3,079.26/4,248.30 = 2,371.32/x
  3. Step 3: Cross multiply
    3,079.26x = 4,248.30 × 2,371.32
  4. Step 4: Simplify right side
    3,079.26x = 10,074,078.76
  5. Step 5: Solve for x
    x = 10,074,078.76/3,079.26
  6. Step 6: Final answer
    x = 3,271.59

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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.