Home / 3,822.06-5,274.07-2,143.08

Finding the Fourth Proportional to 3,822.06, 5,274.07 and 2,143.08

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Solution

The fourth proportional to 3,822.06, 5,274.07 and 2,143.08 is: 2,957.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.06 : 5,274.07 = 2,143.08 : x
  2. Step 2: Convert to fraction form
    3,822.06/5,274.07 = 2,143.08/x
  3. Step 3: Cross multiply
    3,822.06x = 5,274.07 × 2,143.08
  4. Step 4: Simplify right side
    3,822.06x = 11,302,756.61
  5. Step 5: Solve for x
    x = 11,302,756.61/3,822.06
  6. Step 6: Final answer
    x = 2,957.24

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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.