Home / 3,454.24-5,180.83-1,113.92

Finding the Fourth Proportional to 3,454.24, 5,180.83 and 1,113.92

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Solution

The fourth proportional to 3,454.24, 5,180.83 and 1,113.92 is: 1,670.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.24 : 5,180.83 = 1,113.92 : x
  2. Step 2: Convert to fraction form
    3,454.24/5,180.83 = 1,113.92/x
  3. Step 3: Cross multiply
    3,454.24x = 5,180.83 × 1,113.92
  4. Step 4: Simplify right side
    3,454.24x = 5,771,024.58
  5. Step 5: Solve for x
    x = 5,771,024.58/3,454.24
  6. Step 6: Final answer
    x = 1,670.71

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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.