Home / 3,522.43-5,275.85-2,409.21

Finding the Fourth Proportional to 3,522.43, 5,275.85 and 2,409.21

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Solution

The fourth proportional to 3,522.43, 5,275.85 and 2,409.21 is: 3,608.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.43 : 5,275.85 = 2,409.21 : x
  2. Step 2: Convert to fraction form
    3,522.43/5,275.85 = 2,409.21/x
  3. Step 3: Cross multiply
    3,522.43x = 5,275.85 × 2,409.21
  4. Step 4: Simplify right side
    3,522.43x = 12,710,604.20
  5. Step 5: Solve for x
    x = 12,710,604.20/3,522.43
  6. Step 6: Final answer
    x = 3,608.48

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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.