Home / 3,520.86-5,277.64-2,055.57

Finding the Fourth Proportional to 3,520.86, 5,277.64 and 2,055.57

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Solution

The fourth proportional to 3,520.86, 5,277.64 and 2,055.57 is: 3,081.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.86 : 5,277.64 = 2,055.57 : x
  2. Step 2: Convert to fraction form
    3,520.86/5,277.64 = 2,055.57/x
  3. Step 3: Cross multiply
    3,520.86x = 5,277.64 × 2,055.57
  4. Step 4: Simplify right side
    3,520.86x = 10,848,558.45
  5. Step 5: Solve for x
    x = 10,848,558.45/3,520.86
  6. Step 6: Final answer
    x = 3,081.22

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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.