Home / 3,396.68-4,689.06-2,277.21

Finding the Fourth Proportional to 3,396.68, 4,689.06 and 2,277.21

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Solution

The fourth proportional to 3,396.68, 4,689.06 and 2,277.21 is: 3,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.68 : 4,689.06 = 2,277.21 : x
  2. Step 2: Convert to fraction form
    3,396.68/4,689.06 = 2,277.21/x
  3. Step 3: Cross multiply
    3,396.68x = 4,689.06 × 2,277.21
  4. Step 4: Simplify right side
    3,396.68x = 10,678,002.58
  5. Step 5: Solve for x
    x = 10,678,002.58/3,396.68
  6. Step 6: Final answer
    x = 3,143.65

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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.