Home / 2,812.35-3,882.70-2,500.94

Finding the Fourth Proportional to 2,812.35, 3,882.70 and 2,500.94

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Solution

The fourth proportional to 2,812.35, 3,882.70 and 2,500.94 is: 3,452.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.35 : 3,882.70 = 2,500.94 : x
  2. Step 2: Convert to fraction form
    2,812.35/3,882.70 = 2,500.94/x
  3. Step 3: Cross multiply
    2,812.35x = 3,882.70 × 2,500.94
  4. Step 4: Simplify right side
    2,812.35x = 9,710,412.57
  5. Step 5: Solve for x
    x = 9,710,412.57/2,812.35
  6. Step 6: Final answer
    x = 3,452.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.