Home / 4,179.54-5,766.32-2,385.72

Finding the Fourth Proportional to 4,179.54, 5,766.32 and 2,385.72

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Solution

The fourth proportional to 4,179.54, 5,766.32 and 2,385.72 is: 3,291.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.54 : 5,766.32 = 2,385.72 : x
  2. Step 2: Convert to fraction form
    4,179.54/5,766.32 = 2,385.72/x
  3. Step 3: Cross multiply
    4,179.54x = 5,766.32 × 2,385.72
  4. Step 4: Simplify right side
    4,179.54x = 13,756,824.95
  5. Step 5: Solve for x
    x = 13,756,824.95/4,179.54
  6. Step 6: Final answer
    x = 3,291.47

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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.