Home / 3,397.72-4,687.26-2,403.55

Finding the Fourth Proportional to 3,397.72, 4,687.26 and 2,403.55

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Solution

The fourth proportional to 3,397.72, 4,687.26 and 2,403.55 is: 3,315.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.72 : 4,687.26 = 2,403.55 : x
  2. Step 2: Convert to fraction form
    3,397.72/4,687.26 = 2,403.55/x
  3. Step 3: Cross multiply
    3,397.72x = 4,687.26 × 2,403.55
  4. Step 4: Simplify right side
    3,397.72x = 11,266,040.34
  5. Step 5: Solve for x
    x = 11,266,040.34/3,397.72
  6. Step 6: Final answer
    x = 3,315.76

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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.