Home / 2,180.64-3,275.10-1,360.44

Finding the Fourth Proportional to 2,180.64, 3,275.10 and 1,360.44

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Solution

The fourth proportional to 2,180.64, 3,275.10 and 1,360.44 is: 2,043.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.64 : 3,275.10 = 1,360.44 : x
  2. Step 2: Convert to fraction form
    2,180.64/3,275.10 = 1,360.44/x
  3. Step 3: Cross multiply
    2,180.64x = 3,275.10 × 1,360.44
  4. Step 4: Simplify right side
    2,180.64x = 4,455,577.04
  5. Step 5: Solve for x
    x = 4,455,577.04/2,180.64
  6. Step 6: Final answer
    x = 2,043.24

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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.