Home / 3,675.10-5,513.34-1,211.66

Finding the Fourth Proportional to 3,675.10, 5,513.34 and 1,211.66

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Solution

The fourth proportional to 3,675.10, 5,513.34 and 1,211.66 is: 1,817.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.10 : 5,513.34 = 1,211.66 : x
  2. Step 2: Convert to fraction form
    3,675.10/5,513.34 = 1,211.66/x
  3. Step 3: Cross multiply
    3,675.10x = 5,513.34 × 1,211.66
  4. Step 4: Simplify right side
    3,675.10x = 6,680,259.92
  5. Step 5: Solve for x
    x = 6,680,259.92/3,675.10
  6. Step 6: Final answer
    x = 1,817.71

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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.