Home / 4,291.20-5,919.30-2,522.43

Finding the Fourth Proportional to 4,291.20, 5,919.30 and 2,522.43

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Solution

The fourth proportional to 4,291.20, 5,919.30 and 2,522.43 is: 3,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.20 : 5,919.30 = 2,522.43 : x
  2. Step 2: Convert to fraction form
    4,291.20/5,919.30 = 2,522.43/x
  3. Step 3: Cross multiply
    4,291.20x = 5,919.30 × 2,522.43
  4. Step 4: Simplify right side
    4,291.20x = 14,931,019.90
  5. Step 5: Solve for x
    x = 14,931,019.90/4,291.20
  6. Step 6: Final answer
    x = 3,479.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.