Home / 3,855.08-5,317.84-2,438.33

Finding the Fourth Proportional to 3,855.08, 5,317.84 and 2,438.33

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Solution

The fourth proportional to 3,855.08, 5,317.84 and 2,438.33 is: 3,363.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855.08 : 5,317.84 = 2,438.33 : x
  2. Step 2: Convert to fraction form
    3,855.08/5,317.84 = 2,438.33/x
  3. Step 3: Cross multiply
    3,855.08x = 5,317.84 × 2,438.33
  4. Step 4: Simplify right side
    3,855.08x = 12,966,648.81
  5. Step 5: Solve for x
    x = 12,966,648.81/3,855.08
  6. Step 6: Final answer
    x = 3,363.52

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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.