Home / 3,800.72-5,247.40-2,476.56

Finding the Fourth Proportional to 3,800.72, 5,247.40 and 2,476.56

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Solution

The fourth proportional to 3,800.72, 5,247.40 and 2,476.56 is: 3,419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.72 : 5,247.40 = 2,476.56 : x
  2. Step 2: Convert to fraction form
    3,800.72/5,247.40 = 2,476.56/x
  3. Step 3: Cross multiply
    3,800.72x = 5,247.40 × 2,476.56
  4. Step 4: Simplify right side
    3,800.72x = 12,995,500.94
  5. Step 5: Solve for x
    x = 12,995,500.94/3,800.72
  6. Step 6: Final answer
    x = 3,419.22

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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.