Home / 4,121.80-5,687.88-2,329.24

Finding the Fourth Proportional to 4,121.80, 5,687.88 and 2,329.24

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Solution

The fourth proportional to 4,121.80, 5,687.88 and 2,329.24 is: 3,214.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.80 : 5,687.88 = 2,329.24 : x
  2. Step 2: Convert to fraction form
    4,121.80/5,687.88 = 2,329.24/x
  3. Step 3: Cross multiply
    4,121.80x = 5,687.88 × 2,329.24
  4. Step 4: Simplify right side
    4,121.80x = 13,248,437.61
  5. Step 5: Solve for x
    x = 13,248,437.61/4,121.80
  6. Step 6: Final answer
    x = 3,214.24

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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.