Home / 2,214.29-3,319.38-752.44

Finding the Fourth Proportional to 2,214.29, 3,319.38 and 752.44

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Solution

The fourth proportional to 2,214.29, 3,319.38 and 752.44 is: 1,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.29 : 3,319.38 = 752.44 : x
  2. Step 2: Convert to fraction form
    2,214.29/3,319.38 = 752.44/x
  3. Step 3: Cross multiply
    2,214.29x = 3,319.38 × 752.44
  4. Step 4: Simplify right side
    2,214.29x = 2,497,632.21
  5. Step 5: Solve for x
    x = 2,497,632.21/2,214.29
  6. Step 6: Final answer
    x = 1,127.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.