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Finding the Fourth Proportional to 3,549.81, 4,897.02 and 2,758.44

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Solution

The fourth proportional to 3,549.81, 4,897.02 and 2,758.44 is: 3,805.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.81 : 4,897.02 = 2,758.44 : x
  2. Step 2: Convert to fraction form
    3,549.81/4,897.02 = 2,758.44/x
  3. Step 3: Cross multiply
    3,549.81x = 4,897.02 × 2,758.44
  4. Step 4: Simplify right side
    3,549.81x = 13,508,135.85
  5. Step 5: Solve for x
    x = 13,508,135.85/3,549.81
  6. Step 6: Final answer
    x = 3,805.31

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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.