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Finding the Fourth Proportional to 2,601.64, 3,900.07 and 1,677.43

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Solution

The fourth proportional to 2,601.64, 3,900.07 and 1,677.43 is: 2,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.64 : 3,900.07 = 1,677.43 : x
  2. Step 2: Convert to fraction form
    2,601.64/3,900.07 = 1,677.43/x
  3. Step 3: Cross multiply
    2,601.64x = 3,900.07 × 1,677.43
  4. Step 4: Simplify right side
    2,601.64x = 6,542,094.42
  5. Step 5: Solve for x
    x = 6,542,094.42/2,601.64
  6. Step 6: Final answer
    x = 2,514.60

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1.5x scale

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.