Home / 3,627.60-5,441.40-2,922.90

Finding the Fourth Proportional to 3,627.60, 5,441.40 and 2,922.90

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Solution

The fourth proportional to 3,627.60, 5,441.40 and 2,922.90 is: 4,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.60 : 5,441.40 = 2,922.90 : x
  2. Step 2: Convert to fraction form
    3,627.60/5,441.40 = 2,922.90/x
  3. Step 3: Cross multiply
    3,627.60x = 5,441.40 × 2,922.90
  4. Step 4: Simplify right side
    3,627.60x = 15,904,668.06
  5. Step 5: Solve for x
    x = 15,904,668.06/3,627.60
  6. Step 6: Final answer
    x = 4,384.35

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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.