Home / 3,561.60-5,339.87-2,561.54

Finding the Fourth Proportional to 3,561.60, 5,339.87 and 2,561.54

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Solution

The fourth proportional to 3,561.60, 5,339.87 and 2,561.54 is: 3,840.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.60 : 5,339.87 = 2,561.54 : x
  2. Step 2: Convert to fraction form
    3,561.60/5,339.87 = 2,561.54/x
  3. Step 3: Cross multiply
    3,561.60x = 5,339.87 × 2,561.54
  4. Step 4: Simplify right side
    3,561.60x = 13,678,260.70
  5. Step 5: Solve for x
    x = 13,678,260.70/3,561.60
  6. Step 6: Final answer
    x = 3,840.48

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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.