Home / 3,581.46-5,372.75-1,115.76

Finding the Fourth Proportional to 3,581.46, 5,372.75 and 1,115.76

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Solution

The fourth proportional to 3,581.46, 5,372.75 and 1,115.76 is: 1,673.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.46 : 5,372.75 = 1,115.76 : x
  2. Step 2: Convert to fraction form
    3,581.46/5,372.75 = 1,115.76/x
  3. Step 3: Cross multiply
    3,581.46x = 5,372.75 × 1,115.76
  4. Step 4: Simplify right side
    3,581.46x = 5,994,699.54
  5. Step 5: Solve for x
    x = 5,994,699.54/3,581.46
  6. Step 6: Final answer
    x = 1,673.81

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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.