Home / 2,044.80-2,822.40-1,972.80

Finding the Fourth Proportional to 2,044.80, 2,822.40 and 1,972.80

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Solution

The fourth proportional to 2,044.80, 2,822.40 and 1,972.80 is: 2,723.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.80 : 2,822.40 = 1,972.80 : x
  2. Step 2: Convert to fraction form
    2,044.80/2,822.40 = 1,972.80/x
  3. Step 3: Cross multiply
    2,044.80x = 2,822.40 × 1,972.80
  4. Step 4: Simplify right side
    2,044.80x = 5,568,030.72
  5. Step 5: Solve for x
    x = 5,568,030.72/2,044.80
  6. Step 6: Final answer
    x = 2,723.02

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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.