Home / 4,176.20-5,768.78-3,342.87

Finding the Fourth Proportional to 4,176.20, 5,768.78 and 3,342.87

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Solution

The fourth proportional to 4,176.20, 5,768.78 and 3,342.87 is: 4,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,176.20 : 5,768.78 = 3,342.87 : x
  2. Step 2: Convert to fraction form
    4,176.20/5,768.78 = 3,342.87/x
  3. Step 3: Cross multiply
    4,176.20x = 5,768.78 × 3,342.87
  4. Step 4: Simplify right side
    4,176.20x = 19,284,281.60
  5. Step 5: Solve for x
    x = 19,284,281.60/4,176.20
  6. Step 6: Final answer
    x = 4,617.66

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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.