Home / 2,865.91-4,298.86-2,292.43

Finding the Fourth Proportional to 2,865.91, 4,298.86 and 2,292.43

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Solution

The fourth proportional to 2,865.91, 4,298.86 and 2,292.43 is: 3,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.91 : 4,298.86 = 2,292.43 : x
  2. Step 2: Convert to fraction form
    2,865.91/4,298.86 = 2,292.43/x
  3. Step 3: Cross multiply
    2,865.91x = 4,298.86 × 2,292.43
  4. Step 4: Simplify right side
    2,865.91x = 9,854,808.40
  5. Step 5: Solve for x
    x = 9,854,808.40/2,865.91
  6. Step 6: Final answer
    x = 3,438.64

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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.