Home / 2,929.38-4,394.66-1,080.51

Finding the Fourth Proportional to 2,929.38, 4,394.66 and 1,080.51

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Solution

The fourth proportional to 2,929.38, 4,394.66 and 1,080.51 is: 1,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.38 : 4,394.66 = 1,080.51 : x
  2. Step 2: Convert to fraction form
    2,929.38/4,394.66 = 1,080.51/x
  3. Step 3: Cross multiply
    2,929.38x = 4,394.66 × 1,080.51
  4. Step 4: Simplify right side
    2,929.38x = 4,748,458.27
  5. Step 5: Solve for x
    x = 4,748,458.27/2,929.38
  6. Step 6: Final answer
    x = 1,620.98

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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.