Home / 3,705.61-5,558.70-1,073.15

Finding the Fourth Proportional to 3,705.61, 5,558.70 and 1,073.15

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Solution

The fourth proportional to 3,705.61, 5,558.70 and 1,073.15 is: 1,609.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.61 : 5,558.70 = 1,073.15 : x
  2. Step 2: Convert to fraction form
    3,705.61/5,558.70 = 1,073.15/x
  3. Step 3: Cross multiply
    3,705.61x = 5,558.70 × 1,073.15
  4. Step 4: Simplify right side
    3,705.61x = 5,965,327.16
  5. Step 5: Solve for x
    x = 5,965,327.16/3,705.61
  6. Step 6: Final answer
    x = 1,609.81

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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.