Home / 3,440.64-5,163.47-1,249.55

Finding the Fourth Proportional to 3,440.64, 5,163.47 and 1,249.55

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Solution

The fourth proportional to 3,440.64, 5,163.47 and 1,249.55 is: 1,875.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.64 : 5,163.47 = 1,249.55 : x
  2. Step 2: Convert to fraction form
    3,440.64/5,163.47 = 1,249.55/x
  3. Step 3: Cross multiply
    3,440.64x = 5,163.47 × 1,249.55
  4. Step 4: Simplify right side
    3,440.64x = 6,451,981.87
  5. Step 5: Solve for x
    x = 6,451,981.87/3,440.64
  6. Step 6: Final answer
    x = 1,875.23

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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.