Home / 2,865.89-4,295.68-1,479.31

Finding the Fourth Proportional to 2,865.89, 4,295.68 and 1,479.31

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Solution

The fourth proportional to 2,865.89, 4,295.68 and 1,479.31 is: 2,217.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.89 : 4,295.68 = 1,479.31 : x
  2. Step 2: Convert to fraction form
    2,865.89/4,295.68 = 1,479.31/x
  3. Step 3: Cross multiply
    2,865.89x = 4,295.68 × 1,479.31
  4. Step 4: Simplify right side
    2,865.89x = 6,354,642.38
  5. Step 5: Solve for x
    x = 6,354,642.38/2,865.89
  6. Step 6: Final answer
    x = 2,217.34

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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.