Home / 2,865.88-4,293.28-1,889.04

Finding the Fourth Proportional to 2,865.88, 4,293.28 and 1,889.04

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Solution

The fourth proportional to 2,865.88, 4,293.28 and 1,889.04 is: 2,829.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.88 : 4,293.28 = 1,889.04 : x
  2. Step 2: Convert to fraction form
    2,865.88/4,293.28 = 1,889.04/x
  3. Step 3: Cross multiply
    2,865.88x = 4,293.28 × 1,889.04
  4. Step 4: Simplify right side
    2,865.88x = 8,110,177.65
  5. Step 5: Solve for x
    x = 8,110,177.65/2,865.88
  6. Step 6: Final answer
    x = 2,829.91

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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.