Home / 2,929.34-4,394.10-1,079.66

Finding the Fourth Proportional to 2,929.34, 4,394.10 and 1,079.66

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Solution

The fourth proportional to 2,929.34, 4,394.10 and 1,079.66 is: 1,619.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.34 : 4,394.10 = 1,079.66 : x
  2. Step 2: Convert to fraction form
    2,929.34/4,394.10 = 1,079.66/x
  3. Step 3: Cross multiply
    2,929.34x = 4,394.10 × 1,079.66
  4. Step 4: Simplify right side
    2,929.34x = 4,744,134.01
  5. Step 5: Solve for x
    x = 4,744,134.01/2,929.34
  6. Step 6: Final answer
    x = 1,619.52

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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.