Home / 3,681.45-5,522.16-1,084.38

Finding the Fourth Proportional to 3,681.45, 5,522.16 and 1,084.38

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Solution

The fourth proportional to 3,681.45, 5,522.16 and 1,084.38 is: 1,626.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.45 : 5,522.16 = 1,084.38 : x
  2. Step 2: Convert to fraction form
    3,681.45/5,522.16 = 1,084.38/x
  3. Step 3: Cross multiply
    3,681.45x = 5,522.16 × 1,084.38
  4. Step 4: Simplify right side
    3,681.45x = 5,988,119.86
  5. Step 5: Solve for x
    x = 5,988,119.86/3,681.45
  6. Step 6: Final answer
    x = 1,626.57

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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.