Home / 3,920.18-5,410.15-2,241.65

Finding the Fourth Proportional to 3,920.18, 5,410.15 and 2,241.65

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Solution

The fourth proportional to 3,920.18, 5,410.15 and 2,241.65 is: 3,093.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920.18 : 5,410.15 = 2,241.65 : x
  2. Step 2: Convert to fraction form
    3,920.18/5,410.15 = 2,241.65/x
  3. Step 3: Cross multiply
    3,920.18x = 5,410.15 × 2,241.65
  4. Step 4: Simplify right side
    3,920.18x = 12,127,670.67
  5. Step 5: Solve for x
    x = 12,127,670.67/3,920.18
  6. Step 6: Final answer
    x = 3,093.66

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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.