Home / 4,205.72-5,805.15-2,438.12

Finding the Fourth Proportional to 4,205.72, 5,805.15 and 2,438.12

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Solution

The fourth proportional to 4,205.72, 5,805.15 and 2,438.12 is: 3,365.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.72 : 5,805.15 = 2,438.12 : x
  2. Step 2: Convert to fraction form
    4,205.72/5,805.15 = 2,438.12/x
  3. Step 3: Cross multiply
    4,205.72x = 5,805.15 × 2,438.12
  4. Step 4: Simplify right side
    4,205.72x = 14,153,652.32
  5. Step 5: Solve for x
    x = 14,153,652.32/4,205.72
  6. Step 6: Final answer
    x = 3,365.33

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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.