Home / 2,180.28-3,267.20-1,010.64

Finding the Fourth Proportional to 2,180.28, 3,267.20 and 1,010.64

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Solution

The fourth proportional to 2,180.28, 3,267.20 and 1,010.64 is: 1,514.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.28 : 3,267.20 = 1,010.64 : x
  2. Step 2: Convert to fraction form
    2,180.28/3,267.20 = 1,010.64/x
  3. Step 3: Cross multiply
    2,180.28x = 3,267.20 × 1,010.64
  4. Step 4: Simplify right side
    2,180.28x = 3,301,963.01
  5. Step 5: Solve for x
    x = 3,301,963.01/2,180.28
  6. Step 6: Final answer
    x = 1,514.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.