Home / 3,823.57-5,270.43-2,877.94

Finding the Fourth Proportional to 3,823.57, 5,270.43 and 2,877.94

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Solution

The fourth proportional to 3,823.57, 5,270.43 and 2,877.94 is: 3,966.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.57 : 5,270.43 = 2,877.94 : x
  2. Step 2: Convert to fraction form
    3,823.57/5,270.43 = 2,877.94/x
  3. Step 3: Cross multiply
    3,823.57x = 5,270.43 × 2,877.94
  4. Step 4: Simplify right side
    3,823.57x = 15,167,981.31
  5. Step 5: Solve for x
    x = 15,167,981.31/3,823.57
  6. Step 6: Final answer
    x = 3,966.97

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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.