Home / 3,517.90-5,273.57-1,325.16

Finding the Fourth Proportional to 3,517.90, 5,273.57 and 1,325.16

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Solution

The fourth proportional to 3,517.90, 5,273.57 and 1,325.16 is: 1,986.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.90 : 5,273.57 = 1,325.16 : x
  2. Step 2: Convert to fraction form
    3,517.90/5,273.57 = 1,325.16/x
  3. Step 3: Cross multiply
    3,517.90x = 5,273.57 × 1,325.16
  4. Step 4: Simplify right side
    3,517.90x = 6,988,327.33
  5. Step 5: Solve for x
    x = 6,988,327.33/3,517.90
  6. Step 6: Final answer
    x = 1,986.51

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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.