Home / 2,843.32-3,922.28-1,957.59

Finding the Fourth Proportional to 2,843.32, 3,922.28 and 1,957.59

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Solution

The fourth proportional to 2,843.32, 3,922.28 and 1,957.59 is: 2,700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.32 : 3,922.28 = 1,957.59 : x
  2. Step 2: Convert to fraction form
    2,843.32/3,922.28 = 1,957.59/x
  3. Step 3: Cross multiply
    2,843.32x = 3,922.28 × 1,957.59
  4. Step 4: Simplify right side
    2,843.32x = 7,678,216.11
  5. Step 5: Solve for x
    x = 7,678,216.11/2,843.32
  6. Step 6: Final answer
    x = 2,700.44

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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.