Home / 2,721.44-3,755.58-1,479.44

Finding the Fourth Proportional to 2,721.44, 3,755.58 and 1,479.44

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Solution

The fourth proportional to 2,721.44, 3,755.58 and 1,479.44 is: 2,041.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.44 : 3,755.58 = 1,479.44 : x
  2. Step 2: Convert to fraction form
    2,721.44/3,755.58 = 1,479.44/x
  3. Step 3: Cross multiply
    2,721.44x = 3,755.58 × 1,479.44
  4. Step 4: Simplify right side
    2,721.44x = 5,556,155.28
  5. Step 5: Solve for x
    x = 5,556,155.28/2,721.44
  6. Step 6: Final answer
    x = 2,041.62

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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.