Home / 2,213.16-3,319.47-1,175.28

Finding the Fourth Proportional to 2,213.16, 3,319.47 and 1,175.28

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Solution

The fourth proportional to 2,213.16, 3,319.47 and 1,175.28 is: 1,762.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.16 : 3,319.47 = 1,175.28 : x
  2. Step 2: Convert to fraction form
    2,213.16/3,319.47 = 1,175.28/x
  3. Step 3: Cross multiply
    2,213.16x = 3,319.47 × 1,175.28
  4. Step 4: Simplify right side
    2,213.16x = 3,901,306.70
  5. Step 5: Solve for x
    x = 3,901,306.70/2,213.16
  6. Step 6: Final answer
    x = 1,762.78

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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.