Home / 3,776.68-5,670.30-2,688.04

Finding the Fourth Proportional to 3,776.68, 5,670.30 and 2,688.04

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Solution

The fourth proportional to 3,776.68, 5,670.30 and 2,688.04 is: 4,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.68 : 5,670.30 = 2,688.04 : x
  2. Step 2: Convert to fraction form
    3,776.68/5,670.30 = 2,688.04/x
  3. Step 3: Cross multiply
    3,776.68x = 5,670.30 × 2,688.04
  4. Step 4: Simplify right side
    3,776.68x = 15,241,993.21
  5. Step 5: Solve for x
    x = 15,241,993.21/3,776.68
  6. Step 6: Final answer
    x = 4,035.82

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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.