Home / 2,280.43-3,146.99-1,232.49

Finding the Fourth Proportional to 2,280.43, 3,146.99 and 1,232.49

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Solution

The fourth proportional to 2,280.43, 3,146.99 and 1,232.49 is: 1,700.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.43 : 3,146.99 = 1,232.49 : x
  2. Step 2: Convert to fraction form
    2,280.43/3,146.99 = 1,232.49/x
  3. Step 3: Cross multiply
    2,280.43x = 3,146.99 × 1,232.49
  4. Step 4: Simplify right side
    2,280.43x = 3,878,627.54
  5. Step 5: Solve for x
    x = 3,878,627.54/2,280.43
  6. Step 6: Final answer
    x = 1,700.83

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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.