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Finding the Fourth Proportional to 2,453.79, 3,679.41 and 1,203.84

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Solution

The fourth proportional to 2,453.79, 3,679.41 and 1,203.84 is: 1,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.79 : 3,679.41 = 1,203.84 : x
  2. Step 2: Convert to fraction form
    2,453.79/3,679.41 = 1,203.84/x
  3. Step 3: Cross multiply
    2,453.79x = 3,679.41 × 1,203.84
  4. Step 4: Simplify right side
    2,453.79x = 4,429,417.49
  5. Step 5: Solve for x
    x = 4,429,417.49/2,453.79
  6. Step 6: Final answer
    x = 1,805.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.