Home / 3,510.14-5,266.11-1,319.49

Finding the Fourth Proportional to 3,510.14, 5,266.11 and 1,319.49

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Solution

The fourth proportional to 3,510.14, 5,266.11 and 1,319.49 is: 1,979.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.14 : 5,266.11 = 1,319.49 : x
  2. Step 2: Convert to fraction form
    3,510.14/5,266.11 = 1,319.49/x
  3. Step 3: Cross multiply
    3,510.14x = 5,266.11 × 1,319.49
  4. Step 4: Simplify right side
    3,510.14x = 6,948,584.43
  5. Step 5: Solve for x
    x = 6,948,584.43/3,510.14
  6. Step 6: Final answer
    x = 1,979.58

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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.