Home / 3,800.04-5,244.01-2,121.43

Finding the Fourth Proportional to 3,800.04, 5,244.01 and 2,121.43

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Solution

The fourth proportional to 3,800.04, 5,244.01 and 2,121.43 is: 2,927.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.04 : 5,244.01 = 2,121.43 : x
  2. Step 2: Convert to fraction form
    3,800.04/5,244.01 = 2,121.43/x
  3. Step 3: Cross multiply
    3,800.04x = 5,244.01 × 2,121.43
  4. Step 4: Simplify right side
    3,800.04x = 11,124,800.13
  5. Step 5: Solve for x
    x = 11,124,800.13/3,800.04
  6. Step 6: Final answer
    x = 2,927.55

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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.