Home / 3,913.32-5,400.52-2,144.93

Finding the Fourth Proportional to 3,913.32, 5,400.52 and 2,144.93

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Solution

The fourth proportional to 3,913.32, 5,400.52 and 2,144.93 is: 2,960.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.32 : 5,400.52 = 2,144.93 : x
  2. Step 2: Convert to fraction form
    3,913.32/5,400.52 = 2,144.93/x
  3. Step 3: Cross multiply
    3,913.32x = 5,400.52 × 2,144.93
  4. Step 4: Simplify right side
    3,913.32x = 11,583,723.86
  5. Step 5: Solve for x
    x = 11,583,723.86/3,913.32
  6. Step 6: Final answer
    x = 2,960.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.