Home / 3,919.10-5,407.28-2,522.66

Finding the Fourth Proportional to 3,919.10, 5,407.28 and 2,522.66

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Solution

The fourth proportional to 3,919.10, 5,407.28 and 2,522.66 is: 3,480.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.10 : 5,407.28 = 2,522.66 : x
  2. Step 2: Convert to fraction form
    3,919.10/5,407.28 = 2,522.66/x
  3. Step 3: Cross multiply
    3,919.10x = 5,407.28 × 2,522.66
  4. Step 4: Simplify right side
    3,919.10x = 13,640,728.96
  5. Step 5: Solve for x
    x = 13,640,728.96/3,919.10
  6. Step 6: Final answer
    x = 3,480.58

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1.5x scale

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.