Home / 3,822.41-5,274.59-2,143.59

Finding the Fourth Proportional to 3,822.41, 5,274.59 and 2,143.59

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Solution

The fourth proportional to 3,822.41, 5,274.59 and 2,143.59 is: 2,957.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.41 : 5,274.59 = 2,143.59 : x
  2. Step 2: Convert to fraction form
    3,822.41/5,274.59 = 2,143.59/x
  3. Step 3: Cross multiply
    3,822.41x = 5,274.59 × 2,143.59
  4. Step 4: Simplify right side
    3,822.41x = 11,306,547.66
  5. Step 5: Solve for x
    x = 11,306,547.66/3,822.41
  6. Step 6: Final answer
    x = 2,957.97

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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.