Home / 4,180.12-5,768.34-2,854.15

Finding the Fourth Proportional to 4,180.12, 5,768.34 and 2,854.15

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Solution

The fourth proportional to 4,180.12, 5,768.34 and 2,854.15 is: 3,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.12 : 5,768.34 = 2,854.15 : x
  2. Step 2: Convert to fraction form
    4,180.12/5,768.34 = 2,854.15/x
  3. Step 3: Cross multiply
    4,180.12x = 5,768.34 × 2,854.15
  4. Step 4: Simplify right side
    4,180.12x = 16,463,707.61
  5. Step 5: Solve for x
    x = 16,463,707.61/4,180.12
  6. Step 6: Final answer
    x = 3,938.57

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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.