Home / 3,854.60-5,780.28-2,622.68

Finding the Fourth Proportional to 3,854.60, 5,780.28 and 2,622.68

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Solution

The fourth proportional to 3,854.60, 5,780.28 and 2,622.68 is: 3,932.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.60 : 5,780.28 = 2,622.68 : x
  2. Step 2: Convert to fraction form
    3,854.60/5,780.28 = 2,622.68/x
  3. Step 3: Cross multiply
    3,854.60x = 5,780.28 × 2,622.68
  4. Step 4: Simplify right side
    3,854.60x = 15,159,824.75
  5. Step 5: Solve for x
    x = 15,159,824.75/3,854.60
  6. Step 6: Final answer
    x = 3,932.92

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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.