Home / 3,266.57-4,509.74-2,149.42

Finding the Fourth Proportional to 3,266.57, 4,509.74 and 2,149.42

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Solution

The fourth proportional to 3,266.57, 4,509.74 and 2,149.42 is: 2,967.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.57 : 4,509.74 = 2,149.42 : x
  2. Step 2: Convert to fraction form
    3,266.57/4,509.74 = 2,149.42/x
  3. Step 3: Cross multiply
    3,266.57x = 4,509.74 × 2,149.42
  4. Step 4: Simplify right side
    3,266.57x = 9,693,325.35
  5. Step 5: Solve for x
    x = 9,693,325.35/3,266.57
  6. Step 6: Final answer
    x = 2,967.43

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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.