Home / 2,929.41-4,391.46-1,079.24

Finding the Fourth Proportional to 2,929.41, 4,391.46 and 1,079.24

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Solution

The fourth proportional to 2,929.41, 4,391.46 and 1,079.24 is: 1,617.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.41 : 4,391.46 = 1,079.24 : x
  2. Step 2: Convert to fraction form
    2,929.41/4,391.46 = 1,079.24/x
  3. Step 3: Cross multiply
    2,929.41x = 4,391.46 × 1,079.24
  4. Step 4: Simplify right side
    2,929.41x = 4,739,417.33
  5. Step 5: Solve for x
    x = 4,739,417.33/2,929.41
  6. Step 6: Final answer
    x = 1,617.87

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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.