Home / 4,109.80-5,674.98-2,718.76

Finding the Fourth Proportional to 4,109.80, 5,674.98 and 2,718.76

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Solution

The fourth proportional to 4,109.80, 5,674.98 and 2,718.76 is: 3,754.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.80 : 5,674.98 = 2,718.76 : x
  2. Step 2: Convert to fraction form
    4,109.80/5,674.98 = 2,718.76/x
  3. Step 3: Cross multiply
    4,109.80x = 5,674.98 × 2,718.76
  4. Step 4: Simplify right side
    4,109.80x = 15,428,908.62
  5. Step 5: Solve for x
    x = 15,428,908.62/4,109.80
  6. Step 6: Final answer
    x = 3,754.18

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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.