Home / 3,892.66-5,377.73-2,551.45

Finding the Fourth Proportional to 3,892.66, 5,377.73 and 2,551.45

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Solution

The fourth proportional to 3,892.66, 5,377.73 and 2,551.45 is: 3,524.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.66 : 5,377.73 = 2,551.45 : x
  2. Step 2: Convert to fraction form
    3,892.66/5,377.73 = 2,551.45/x
  3. Step 3: Cross multiply
    3,892.66x = 5,377.73 × 2,551.45
  4. Step 4: Simplify right side
    3,892.66x = 13,721,013.26
  5. Step 5: Solve for x
    x = 13,721,013.26/3,892.66
  6. Step 6: Final answer
    x = 3,524.84

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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.