Home / 3,101.47-4,651.59-1,519.51

Finding the Fourth Proportional to 3,101.47, 4,651.59 and 1,519.51

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Solution

The fourth proportional to 3,101.47, 4,651.59 and 1,519.51 is: 2,278.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.47 : 4,651.59 = 1,519.51 : x
  2. Step 2: Convert to fraction form
    3,101.47/4,651.59 = 1,519.51/x
  3. Step 3: Cross multiply
    3,101.47x = 4,651.59 × 1,519.51
  4. Step 4: Simplify right side
    3,101.47x = 7,068,128.92
  5. Step 5: Solve for x
    x = 7,068,128.92/3,101.47
  6. Step 6: Final answer
    x = 2,278.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.