Home / 2,284.20-3,153.94-2,007.72

Finding the Fourth Proportional to 2,284.20, 3,153.94 and 2,007.72

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Solution

The fourth proportional to 2,284.20, 3,153.94 and 2,007.72 is: 2,772.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.20 : 3,153.94 = 2,007.72 : x
  2. Step 2: Convert to fraction form
    2,284.20/3,153.94 = 2,007.72/x
  3. Step 3: Cross multiply
    2,284.20x = 3,153.94 × 2,007.72
  4. Step 4: Simplify right side
    2,284.20x = 6,332,223.40
  5. Step 5: Solve for x
    x = 6,332,223.40/2,284.20
  6. Step 6: Final answer
    x = 2,772.18

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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.