Home / 3,640.16-5,421.06-3,517.14

Finding the Fourth Proportional to 3,640.16, 5,421.06 and 3,517.14

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Solution

The fourth proportional to 3,640.16, 5,421.06 and 3,517.14 is: 5,237.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.16 : 5,421.06 = 3,517.14 : x
  2. Step 2: Convert to fraction form
    3,640.16/5,421.06 = 3,517.14/x
  3. Step 3: Cross multiply
    3,640.16x = 5,421.06 × 3,517.14
  4. Step 4: Simplify right side
    3,640.16x = 19,066,626.97
  5. Step 5: Solve for x
    x = 19,066,626.97/3,640.16
  6. Step 6: Final answer
    x = 5,237.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.