Home / 3,522.56-4,859.88-2,125.04

Finding the Fourth Proportional to 3,522.56, 4,859.88 and 2,125.04

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Solution

The fourth proportional to 3,522.56, 4,859.88 and 2,125.04 is: 2,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.56 : 4,859.88 = 2,125.04 : x
  2. Step 2: Convert to fraction form
    3,522.56/4,859.88 = 2,125.04/x
  3. Step 3: Cross multiply
    3,522.56x = 4,859.88 × 2,125.04
  4. Step 4: Simplify right side
    3,522.56x = 10,327,439.40
  5. Step 5: Solve for x
    x = 10,327,439.40/3,522.56
  6. Step 6: Final answer
    x = 2,931.80

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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.