Home / 3,502.16-5,255.55-1,310.88

Finding the Fourth Proportional to 3,502.16, 5,255.55 and 1,310.88

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Solution

The fourth proportional to 3,502.16, 5,255.55 and 1,310.88 is: 1,967.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.16 : 5,255.55 = 1,310.88 : x
  2. Step 2: Convert to fraction form
    3,502.16/5,255.55 = 1,310.88/x
  3. Step 3: Cross multiply
    3,502.16x = 5,255.55 × 1,310.88
  4. Step 4: Simplify right side
    3,502.16x = 6,889,395.38
  5. Step 5: Solve for x
    x = 6,889,395.38/3,502.16
  6. Step 6: Final answer
    x = 1,967.18

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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.