Home / 2,825.46-4,240.17-1,160.91

Finding the Fourth Proportional to 2,825.46, 4,240.17 and 1,160.91

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Solution

The fourth proportional to 2,825.46, 4,240.17 and 1,160.91 is: 1,742.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.46 : 4,240.17 = 1,160.91 : x
  2. Step 2: Convert to fraction form
    2,825.46/4,240.17 = 1,160.91/x
  3. Step 3: Cross multiply
    2,825.46x = 4,240.17 × 1,160.91
  4. Step 4: Simplify right side
    2,825.46x = 4,922,455.75
  5. Step 5: Solve for x
    x = 4,922,455.75/2,825.46
  6. Step 6: Final answer
    x = 1,742.18

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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.