Home / 3,862.84-5,323.58-2,743.82

Finding the Fourth Proportional to 3,862.84, 5,323.58 and 2,743.82

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Solution

The fourth proportional to 3,862.84, 5,323.58 and 2,743.82 is: 3,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.84 : 5,323.58 = 2,743.82 : x
  2. Step 2: Convert to fraction form
    3,862.84/5,323.58 = 2,743.82/x
  3. Step 3: Cross multiply
    3,862.84x = 5,323.58 × 2,743.82
  4. Step 4: Simplify right side
    3,862.84x = 14,606,945.28
  5. Step 5: Solve for x
    x = 14,606,945.28/3,862.84
  6. Step 6: Final answer
    x = 3,781.40

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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.