Home / 3,390.68-4,675.15-2,717.94

Finding the Fourth Proportional to 3,390.68, 4,675.15 and 2,717.94

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Solution

The fourth proportional to 3,390.68, 4,675.15 and 2,717.94 is: 3,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.68 : 4,675.15 = 2,717.94 : x
  2. Step 2: Convert to fraction form
    3,390.68/4,675.15 = 2,717.94/x
  3. Step 3: Cross multiply
    3,390.68x = 4,675.15 × 2,717.94
  4. Step 4: Simplify right side
    3,390.68x = 12,706,777.19
  5. Step 5: Solve for x
    x = 12,706,777.19/3,390.68
  6. Step 6: Final answer
    x = 3,747.56

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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.