Home / 3,561.56-5,346.10-2,910.93

Finding the Fourth Proportional to 3,561.56, 5,346.10 and 2,910.93

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Solution

The fourth proportional to 3,561.56, 5,346.10 and 2,910.93 is: 4,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.56 : 5,346.10 = 2,910.93 : x
  2. Step 2: Convert to fraction form
    3,561.56/5,346.10 = 2,910.93/x
  3. Step 3: Cross multiply
    3,561.56x = 5,346.10 × 2,910.93
  4. Step 4: Simplify right side
    3,561.56x = 15,562,122.87
  5. Step 5: Solve for x
    x = 15,562,122.87/3,561.56
  6. Step 6: Final answer
    x = 4,369.47

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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.