Home / 3,447.45-4,756.07-2,400.12

Finding the Fourth Proportional to 3,447.45, 4,756.07 and 2,400.12

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Solution

The fourth proportional to 3,447.45, 4,756.07 and 2,400.12 is: 3,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.45 : 4,756.07 = 2,400.12 : x
  2. Step 2: Convert to fraction form
    3,447.45/4,756.07 = 2,400.12/x
  3. Step 3: Cross multiply
    3,447.45x = 4,756.07 × 2,400.12
  4. Step 4: Simplify right side
    3,447.45x = 11,415,126.73
  5. Step 5: Solve for x
    x = 11,415,126.73/3,447.45
  6. Step 6: Final answer
    x = 3,311.18

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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.