Home / 2,277.24-3,415.34-890.12

Finding the Fourth Proportional to 2,277.24, 3,415.34 and 890.12

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Solution

The fourth proportional to 2,277.24, 3,415.34 and 890.12 is: 1,334.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.24 : 3,415.34 = 890.12 : x
  2. Step 2: Convert to fraction form
    2,277.24/3,415.34 = 890.12/x
  3. Step 3: Cross multiply
    2,277.24x = 3,415.34 × 890.12
  4. Step 4: Simplify right side
    2,277.24x = 3,040,062.44
  5. Step 5: Solve for x
    x = 3,040,062.44/2,277.24
  6. Step 6: Final answer
    x = 1,334.98

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1.5x scale

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.