Home / 4,122.82-5,689.65-2,353.96

Finding the Fourth Proportional to 4,122.82, 5,689.65 and 2,353.96

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Solution

The fourth proportional to 4,122.82, 5,689.65 and 2,353.96 is: 3,248.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.82 : 5,689.65 = 2,353.96 : x
  2. Step 2: Convert to fraction form
    4,122.82/5,689.65 = 2,353.96/x
  3. Step 3: Cross multiply
    4,122.82x = 5,689.65 × 2,353.96
  4. Step 4: Simplify right side
    4,122.82x = 13,393,208.51
  5. Step 5: Solve for x
    x = 13,393,208.51/4,122.82
  6. Step 6: Final answer
    x = 3,248.56

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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.