Home / 2,929.83-4,394.01-1,079.94

Finding the Fourth Proportional to 2,929.83, 4,394.01 and 1,079.94

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Solution

The fourth proportional to 2,929.83, 4,394.01 and 1,079.94 is: 1,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.83 : 4,394.01 = 1,079.94 : x
  2. Step 2: Convert to fraction form
    2,929.83/4,394.01 = 1,079.94/x
  3. Step 3: Cross multiply
    2,929.83x = 4,394.01 × 1,079.94
  4. Step 4: Simplify right side
    2,929.83x = 4,745,250.68
  5. Step 5: Solve for x
    x = 4,745,250.68/2,929.83
  6. Step 6: Final answer
    x = 1,619.64

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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.