Home / 3,515.11-5,272.55-1,435.13

Finding the Fourth Proportional to 3,515.11, 5,272.55 and 1,435.13

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Solution

The fourth proportional to 3,515.11, 5,272.55 and 1,435.13 is: 2,152.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.11 : 5,272.55 = 1,435.13 : x
  2. Step 2: Convert to fraction form
    3,515.11/5,272.55 = 1,435.13/x
  3. Step 3: Cross multiply
    3,515.11x = 5,272.55 × 1,435.13
  4. Step 4: Simplify right side
    3,515.11x = 7,566,805.16
  5. Step 5: Solve for x
    x = 7,566,805.16/3,515.11
  6. Step 6: Final answer
    x = 2,152.65

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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.