Home / 3,785.19-5,679.39-3,462.81

Finding the Fourth Proportional to 3,785.19, 5,679.39 and 3,462.81

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Solution

The fourth proportional to 3,785.19, 5,679.39 and 3,462.81 is: 5,195.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.19 : 5,679.39 = 3,462.81 : x
  2. Step 2: Convert to fraction form
    3,785.19/5,679.39 = 3,462.81/x
  3. Step 3: Cross multiply
    3,785.19x = 5,679.39 × 3,462.81
  4. Step 4: Simplify right side
    3,785.19x = 19,666,648.49
  5. Step 5: Solve for x
    x = 19,666,648.49/3,785.19
  6. Step 6: Final answer
    x = 5,195.68

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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.