Home / 3,387.76-5,083.16-2,154.84

Finding the Fourth Proportional to 3,387.76, 5,083.16 and 2,154.84

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Solution

The fourth proportional to 3,387.76, 5,083.16 and 2,154.84 is: 3,233.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.76 : 5,083.16 = 2,154.84 : x
  2. Step 2: Convert to fraction form
    3,387.76/5,083.16 = 2,154.84/x
  3. Step 3: Cross multiply
    3,387.76x = 5,083.16 × 2,154.84
  4. Step 4: Simplify right side
    3,387.76x = 10,953,396.49
  5. Step 5: Solve for x
    x = 10,953,396.49/3,387.76
  6. Step 6: Final answer
    x = 3,233.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.