Home / 4,122.87-5,689.63-2,234.49

Finding the Fourth Proportional to 4,122.87, 5,689.63 and 2,234.49

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Solution

The fourth proportional to 4,122.87, 5,689.63 and 2,234.49 is: 3,083.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.87 : 5,689.63 = 2,234.49 : x
  2. Step 2: Convert to fraction form
    4,122.87/5,689.63 = 2,234.49/x
  3. Step 3: Cross multiply
    4,122.87x = 5,689.63 × 2,234.49
  4. Step 4: Simplify right side
    4,122.87x = 12,713,421.34
  5. Step 5: Solve for x
    x = 12,713,421.34/4,122.87
  6. Step 6: Final answer
    x = 3,083.63

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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.