Home / 3,508.14-5,236.38-3,215.92

Finding the Fourth Proportional to 3,508.14, 5,236.38 and 3,215.92

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Solution

The fourth proportional to 3,508.14, 5,236.38 and 3,215.92 is: 4,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.14 : 5,236.38 = 3,215.92 : x
  2. Step 2: Convert to fraction form
    3,508.14/5,236.38 = 3,215.92/x
  3. Step 3: Cross multiply
    3,508.14x = 5,236.38 × 3,215.92
  4. Step 4: Simplify right side
    3,508.14x = 16,839,779.17
  5. Step 5: Solve for x
    x = 16,839,779.17/3,508.14
  6. Step 6: Final answer
    x = 4,800.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.