Home / 3,899.73-5,381.70-2,328.74

Finding the Fourth Proportional to 3,899.73, 5,381.70 and 2,328.74

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Solution

The fourth proportional to 3,899.73, 5,381.70 and 2,328.74 is: 3,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.73 : 5,381.70 = 2,328.74 : x
  2. Step 2: Convert to fraction form
    3,899.73/5,381.70 = 2,328.74/x
  3. Step 3: Cross multiply
    3,899.73x = 5,381.70 × 2,328.74
  4. Step 4: Simplify right side
    3,899.73x = 12,532,580.06
  5. Step 5: Solve for x
    x = 12,532,580.06/3,899.73
  6. Step 6: Final answer
    x = 3,213.70

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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.