Home / 2,284.76-3,145.34-2,180.28

Finding the Fourth Proportional to 2,284.76, 3,145.34 and 2,180.28

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Solution

The fourth proportional to 2,284.76, 3,145.34 and 2,180.28 is: 3,001.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.76 : 3,145.34 = 2,180.28 : x
  2. Step 2: Convert to fraction form
    2,284.76/3,145.34 = 2,180.28/x
  3. Step 3: Cross multiply
    2,284.76x = 3,145.34 × 2,180.28
  4. Step 4: Simplify right side
    2,284.76x = 6,857,721.90
  5. Step 5: Solve for x
    x = 6,857,721.90/2,284.76
  6. Step 6: Final answer
    x = 3,001.51

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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.