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Finding the Fourth Proportional to 3,548.62, 4,895.13 and 3,298.42

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Solution

The fourth proportional to 3,548.62, 4,895.13 and 3,298.42 is: 4,549.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.62 : 4,895.13 = 3,298.42 : x
  2. Step 2: Convert to fraction form
    3,548.62/4,895.13 = 3,298.42/x
  3. Step 3: Cross multiply
    3,548.62x = 4,895.13 × 3,298.42
  4. Step 4: Simplify right side
    3,548.62x = 16,146,194.69
  5. Step 5: Solve for x
    x = 16,146,194.69/3,548.62
  6. Step 6: Final answer
    x = 4,549.99

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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.