Home / 3,438.15-4,741.34-2,179.41

Finding the Fourth Proportional to 3,438.15, 4,741.34 and 2,179.41

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Solution

The fourth proportional to 3,438.15, 4,741.34 and 2,179.41 is: 3,005.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.15 : 4,741.34 = 2,179.41 : x
  2. Step 2: Convert to fraction form
    3,438.15/4,741.34 = 2,179.41/x
  3. Step 3: Cross multiply
    3,438.15x = 4,741.34 × 2,179.41
  4. Step 4: Simplify right side
    3,438.15x = 10,333,295.13
  5. Step 5: Solve for x
    x = 10,333,295.13/3,438.15
  6. Step 6: Final answer
    x = 3,005.48

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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.