Home / 2,450.12-3,675.51-889.92

Finding the Fourth Proportional to 2,450.12, 3,675.51 and 889.92

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Solution

The fourth proportional to 2,450.12, 3,675.51 and 889.92 is: 1,335.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.12 : 3,675.51 = 889.92 : x
  2. Step 2: Convert to fraction form
    2,450.12/3,675.51 = 889.92/x
  3. Step 3: Cross multiply
    2,450.12x = 3,675.51 × 889.92
  4. Step 4: Simplify right side
    2,450.12x = 3,270,909.86
  5. Step 5: Solve for x
    x = 3,270,909.86/2,450.12
  6. Step 6: Final answer
    x = 1,335.00

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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.