Home / 3,522.20-5,307.48-2,919.42

Finding the Fourth Proportional to 3,522.20, 5,307.48 and 2,919.42

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Solution

The fourth proportional to 3,522.20, 5,307.48 and 2,919.42 is: 4,399.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.20 : 5,307.48 = 2,919.42 : x
  2. Step 2: Convert to fraction form
    3,522.20/5,307.48 = 2,919.42/x
  3. Step 3: Cross multiply
    3,522.20x = 5,307.48 × 2,919.42
  4. Step 4: Simplify right side
    3,522.20x = 15,494,763.26
  5. Step 5: Solve for x
    x = 15,494,763.26/3,522.20
  6. Step 6: Final answer
    x = 4,399.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.