Home / 2,280.14-3,146.57-1,336.11

Finding the Fourth Proportional to 2,280.14, 3,146.57 and 1,336.11

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Solution

The fourth proportional to 2,280.14, 3,146.57 and 1,336.11 is: 1,843.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.14 : 3,146.57 = 1,336.11 : x
  2. Step 2: Convert to fraction form
    2,280.14/3,146.57 = 1,336.11/x
  3. Step 3: Cross multiply
    2,280.14x = 3,146.57 × 1,336.11
  4. Step 4: Simplify right side
    2,280.14x = 4,204,156.96
  5. Step 5: Solve for x
    x = 4,204,156.96/2,280.14
  6. Step 6: Final answer
    x = 1,843.82

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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.