Home / 2,043.12-2,820.48-1,297.44

Finding the Fourth Proportional to 2,043.12, 2,820.48 and 1,297.44

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Solution

The fourth proportional to 2,043.12, 2,820.48 and 1,297.44 is: 1,791.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.12 : 2,820.48 = 1,297.44 : x
  2. Step 2: Convert to fraction form
    2,043.12/2,820.48 = 1,297.44/x
  3. Step 3: Cross multiply
    2,043.12x = 2,820.48 × 1,297.44
  4. Step 4: Simplify right side
    2,043.12x = 3,659,403.57
  5. Step 5: Solve for x
    x = 3,659,403.57/2,043.12
  6. Step 6: Final answer
    x = 1,791.09

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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.