Home / 3,438.08-4,738.16-2,443.44

Finding the Fourth Proportional to 3,438.08, 4,738.16 and 2,443.44

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Solution

The fourth proportional to 3,438.08, 4,738.16 and 2,443.44 is: 3,367.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.08 : 4,738.16 = 2,443.44 : x
  2. Step 2: Convert to fraction form
    3,438.08/4,738.16 = 2,443.44/x
  3. Step 3: Cross multiply
    3,438.08x = 4,738.16 × 2,443.44
  4. Step 4: Simplify right side
    3,438.08x = 11,577,409.67
  5. Step 5: Solve for x
    x = 11,577,409.67/3,438.08
  6. Step 6: Final answer
    x = 3,367.41

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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.