Home / 2,261.66-3,390.44-1,612.85

Finding the Fourth Proportional to 2,261.66, 3,390.44 and 1,612.85

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Solution

The fourth proportional to 2,261.66, 3,390.44 and 1,612.85 is: 2,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.66 : 3,390.44 = 1,612.85 : x
  2. Step 2: Convert to fraction form
    2,261.66/3,390.44 = 1,612.85/x
  3. Step 3: Cross multiply
    2,261.66x = 3,390.44 × 1,612.85
  4. Step 4: Simplify right side
    2,261.66x = 5,468,246.14
  5. Step 5: Solve for x
    x = 5,468,246.14/2,261.66
  6. Step 6: Final answer
    x = 2,417.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.