Home / 2,530.92-3,790.84-2,087.18

Finding the Fourth Proportional to 2,530.92, 3,790.84 and 2,087.18

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Solution

The fourth proportional to 2,530.92, 3,790.84 and 2,087.18 is: 3,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530.92 : 3,790.84 = 2,087.18 : x
  2. Step 2: Convert to fraction form
    2,530.92/3,790.84 = 2,087.18/x
  3. Step 3: Cross multiply
    2,530.92x = 3,790.84 × 2,087.18
  4. Step 4: Simplify right side
    2,530.92x = 7,912,161.78
  5. Step 5: Solve for x
    x = 7,912,161.78/2,530.92
  6. Step 6: Final answer
    x = 3,126.20

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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.