Home / 3,375.88-4,658.84-2,117.56

Finding the Fourth Proportional to 3,375.88, 4,658.84 and 2,117.56

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Solution

The fourth proportional to 3,375.88, 4,658.84 and 2,117.56 is: 2,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.88 : 4,658.84 = 2,117.56 : x
  2. Step 2: Convert to fraction form
    3,375.88/4,658.84 = 2,117.56/x
  3. Step 3: Cross multiply
    3,375.88x = 4,658.84 × 2,117.56
  4. Step 4: Simplify right side
    3,375.88x = 9,865,373.23
  5. Step 5: Solve for x
    x = 9,865,373.23/3,375.88
  6. Step 6: Final answer
    x = 2,922.31

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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.