Home / 3,897.22-5,377.28-2,325

Finding the Fourth Proportional to 3,897.22, 5,377.28 and 2,325

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Solution

The fourth proportional to 3,897.22, 5,377.28 and 2,325 is: 3,207.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897.22 : 5,377.28 = 2,325 : x
  2. Step 2: Convert to fraction form
    3,897.22/5,377.28 = 2,325/x
  3. Step 3: Cross multiply
    3,897.22x = 5,377.28 × 2,325
  4. Step 4: Simplify right side
    3,897.22x = 12,502,176
  5. Step 5: Solve for x
    x = 12,502,176/3,897.22
  6. Step 6: Final answer
    x = 3,207.97

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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.