Home / 3,145.39-4,716.01-1,758.87

Finding the Fourth Proportional to 3,145.39, 4,716.01 and 1,758.87

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Solution

The fourth proportional to 3,145.39, 4,716.01 and 1,758.87 is: 2,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.39 : 4,716.01 = 1,758.87 : x
  2. Step 2: Convert to fraction form
    3,145.39/4,716.01 = 1,758.87/x
  3. Step 3: Cross multiply
    3,145.39x = 4,716.01 × 1,758.87
  4. Step 4: Simplify right side
    3,145.39x = 8,294,844.11
  5. Step 5: Solve for x
    x = 8,294,844.11/3,145.39
  6. Step 6: Final answer
    x = 2,637.15

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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.