Home / 4,228.90-5,835.78-2,340.43

Finding the Fourth Proportional to 4,228.90, 5,835.78 and 2,340.43

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Solution

The fourth proportional to 4,228.90, 5,835.78 and 2,340.43 is: 3,229.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.90 : 5,835.78 = 2,340.43 : x
  2. Step 2: Convert to fraction form
    4,228.90/5,835.78 = 2,340.43/x
  3. Step 3: Cross multiply
    4,228.90x = 5,835.78 × 2,340.43
  4. Step 4: Simplify right side
    4,228.90x = 13,658,234.59
  5. Step 5: Solve for x
    x = 13,658,234.59/4,228.90
  6. Step 6: Final answer
    x = 3,229.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.