Home / 3,561.35-5,341.87-2,391.85

Finding the Fourth Proportional to 3,561.35, 5,341.87 and 2,391.85

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Solution

The fourth proportional to 3,561.35, 5,341.87 and 2,391.85 is: 3,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.35 : 5,341.87 = 2,391.85 : x
  2. Step 2: Convert to fraction form
    3,561.35/5,341.87 = 2,391.85/x
  3. Step 3: Cross multiply
    3,561.35x = 5,341.87 × 2,391.85
  4. Step 4: Simplify right side
    3,561.35x = 12,776,917.92
  5. Step 5: Solve for x
    x = 12,776,917.92/3,561.35
  6. Step 6: Final answer
    x = 3,587.66

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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.