Home / 2,280.57-3,146.94-1,336.32

Finding the Fourth Proportional to 2,280.57, 3,146.94 and 1,336.32

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Solution

The fourth proportional to 2,280.57, 3,146.94 and 1,336.32 is: 1,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.57 : 3,146.94 = 1,336.32 : x
  2. Step 2: Convert to fraction form
    2,280.57/3,146.94 = 1,336.32/x
  3. Step 3: Cross multiply
    2,280.57x = 3,146.94 × 1,336.32
  4. Step 4: Simplify right side
    2,280.57x = 4,205,318.86
  5. Step 5: Solve for x
    x = 4,205,318.86/2,280.57
  6. Step 6: Final answer
    x = 1,843.98

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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.