Home / 3,554.96-5,334.98-1,581.12

Finding the Fourth Proportional to 3,554.96, 5,334.98 and 1,581.12

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Solution

The fourth proportional to 3,554.96, 5,334.98 and 1,581.12 is: 2,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.96 : 5,334.98 = 1,581.12 : x
  2. Step 2: Convert to fraction form
    3,554.96/5,334.98 = 1,581.12/x
  3. Step 3: Cross multiply
    3,554.96x = 5,334.98 × 1,581.12
  4. Step 4: Simplify right side
    3,554.96x = 8,435,243.58
  5. Step 5: Solve for x
    x = 8,435,243.58/3,554.96
  6. Step 6: Final answer
    x = 2,372.81

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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.