Home / 3,894.38-5,376.26-2,403.10

Finding the Fourth Proportional to 3,894.38, 5,376.26 and 2,403.10

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Solution

The fourth proportional to 3,894.38, 5,376.26 and 2,403.10 is: 3,317.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.38 : 5,376.26 = 2,403.10 : x
  2. Step 2: Convert to fraction form
    3,894.38/5,376.26 = 2,403.10/x
  3. Step 3: Cross multiply
    3,894.38x = 5,376.26 × 2,403.10
  4. Step 4: Simplify right side
    3,894.38x = 12,919,690.41
  5. Step 5: Solve for x
    x = 12,919,690.41/3,894.38
  6. Step 6: Final answer
    x = 3,317.52

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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.