Home / 3,681.68-5,522.24-1,084.40

Finding the Fourth Proportional to 3,681.68, 5,522.24 and 1,084.40

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Solution

The fourth proportional to 3,681.68, 5,522.24 and 1,084.40 is: 1,626.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.68 : 5,522.24 = 1,084.40 : x
  2. Step 2: Convert to fraction form
    3,681.68/5,522.24 = 1,084.40/x
  3. Step 3: Cross multiply
    3,681.68x = 5,522.24 × 1,084.40
  4. Step 4: Simplify right side
    3,681.68x = 5,988,317.06
  5. Step 5: Solve for x
    x = 5,988,317.06/3,681.68
  6. Step 6: Final answer
    x = 1,626.52

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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.