Home / 4,122.72-5,689.23-2,353.98

Finding the Fourth Proportional to 4,122.72, 5,689.23 and 2,353.98

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Solution

The fourth proportional to 4,122.72, 5,689.23 and 2,353.98 is: 3,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.72 : 5,689.23 = 2,353.98 : x
  2. Step 2: Convert to fraction form
    4,122.72/5,689.23 = 2,353.98/x
  3. Step 3: Cross multiply
    4,122.72x = 5,689.23 × 2,353.98
  4. Step 4: Simplify right side
    4,122.72x = 13,392,333.64
  5. Step 5: Solve for x
    x = 13,392,333.64/4,122.72
  6. Step 6: Final answer
    x = 3,248.42

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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.