Home / 3,426.10-5,136.15-2,326.90

Finding the Fourth Proportional to 3,426.10, 5,136.15 and 2,326.90

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Solution

The fourth proportional to 3,426.10, 5,136.15 and 2,326.90 is: 3,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.10 : 5,136.15 = 2,326.90 : x
  2. Step 2: Convert to fraction form
    3,426.10/5,136.15 = 2,326.90/x
  3. Step 3: Cross multiply
    3,426.10x = 5,136.15 × 2,326.90
  4. Step 4: Simplify right side
    3,426.10x = 11,951,307.44
  5. Step 5: Solve for x
    x = 11,951,307.44/3,426.10
  6. Step 6: Final answer
    x = 3,488.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.