Home / 2,277.12-3,414.98-890.08

Finding the Fourth Proportional to 2,277.12, 3,414.98 and 890.08

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Solution

The fourth proportional to 2,277.12, 3,414.98 and 890.08 is: 1,334.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.12 : 3,414.98 = 890.08 : x
  2. Step 2: Convert to fraction form
    2,277.12/3,414.98 = 890.08/x
  3. Step 3: Cross multiply
    2,277.12x = 3,414.98 × 890.08
  4. Step 4: Simplify right side
    2,277.12x = 3,039,594.08
  5. Step 5: Solve for x
    x = 3,039,594.08/2,277.12
  6. Step 6: Final answer
    x = 1,334.84

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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.