Home / 3,849.48-5,774.83-1,251.81

Finding the Fourth Proportional to 3,849.48, 5,774.83 and 1,251.81

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Solution

The fourth proportional to 3,849.48, 5,774.83 and 1,251.81 is: 1,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.48 : 5,774.83 = 1,251.81 : x
  2. Step 2: Convert to fraction form
    3,849.48/5,774.83 = 1,251.81/x
  3. Step 3: Cross multiply
    3,849.48x = 5,774.83 × 1,251.81
  4. Step 4: Simplify right side
    3,849.48x = 7,228,989.94
  5. Step 5: Solve for x
    x = 7,228,989.94/3,849.48
  6. Step 6: Final answer
    x = 1,877.91

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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.