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Finding the Fourth Proportional to 3,908.81, 5,862.12 and 1,716.99

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Solution

The fourth proportional to 3,908.81, 5,862.12 and 1,716.99 is: 2,575.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.81 : 5,862.12 = 1,716.99 : x
  2. Step 2: Convert to fraction form
    3,908.81/5,862.12 = 1,716.99/x
  3. Step 3: Cross multiply
    3,908.81x = 5,862.12 × 1,716.99
  4. Step 4: Simplify right side
    3,908.81x = 10,065,201.42
  5. Step 5: Solve for x
    x = 10,065,201.42/3,908.81
  6. Step 6: Final answer
    x = 2,575.00

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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.