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Finding the Fourth Proportional to 2,396.79, 3,306.71 and 1,348.85

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Solution

The fourth proportional to 2,396.79, 3,306.71 and 1,348.85 is: 1,860.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,396.79 : 3,306.71 = 1,348.85 : x
  2. Step 2: Convert to fraction form
    2,396.79/3,306.71 = 1,348.85/x
  3. Step 3: Cross multiply
    2,396.79x = 3,306.71 × 1,348.85
  4. Step 4: Simplify right side
    2,396.79x = 4,460,232.51
  5. Step 5: Solve for x
    x = 4,460,232.51/2,396.79
  6. Step 6: Final answer
    x = 1,860.92

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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.