Home / 2,180.64-3,266.34-1,011.60

Finding the Fourth Proportional to 2,180.64, 3,266.34 and 1,011.60

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Solution

The fourth proportional to 2,180.64, 3,266.34 and 1,011.60 is: 1,515.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.64 : 3,266.34 = 1,011.60 : x
  2. Step 2: Convert to fraction form
    2,180.64/3,266.34 = 1,011.60/x
  3. Step 3: Cross multiply
    2,180.64x = 3,266.34 × 1,011.60
  4. Step 4: Simplify right side
    2,180.64x = 3,304,229.54
  5. Step 5: Solve for x
    x = 3,304,229.54/2,180.64
  6. Step 6: Final answer
    x = 1,515.26

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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.