Home / 2,301.87-3,179.22-1,519.41

Finding the Fourth Proportional to 2,301.87, 3,179.22 and 1,519.41

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Solution

The fourth proportional to 2,301.87, 3,179.22 and 1,519.41 is: 2,098.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.87 : 3,179.22 = 1,519.41 : x
  2. Step 2: Convert to fraction form
    2,301.87/3,179.22 = 1,519.41/x
  3. Step 3: Cross multiply
    2,301.87x = 3,179.22 × 1,519.41
  4. Step 4: Simplify right side
    2,301.87x = 4,830,538.66
  5. Step 5: Solve for x
    x = 4,830,538.66/2,301.87
  6. Step 6: Final answer
    x = 2,098.53

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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.