Home / 4,122.23-5,689.05-2,354.40

Finding the Fourth Proportional to 4,122.23, 5,689.05 and 2,354.40

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Solution

The fourth proportional to 4,122.23, 5,689.05 and 2,354.40 is: 3,249.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.23 : 5,689.05 = 2,354.40 : x
  2. Step 2: Convert to fraction form
    4,122.23/5,689.05 = 2,354.40/x
  3. Step 3: Cross multiply
    4,122.23x = 5,689.05 × 2,354.40
  4. Step 4: Simplify right side
    4,122.23x = 13,394,299.32
  5. Step 5: Solve for x
    x = 13,394,299.32/4,122.23
  6. Step 6: Final answer
    x = 3,249.29

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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.