Home / 3,833.16-5,288.43-2,154.34

Finding the Fourth Proportional to 3,833.16, 5,288.43 and 2,154.34

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Solution

The fourth proportional to 3,833.16, 5,288.43 and 2,154.34 is: 2,972.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833.16 : 5,288.43 = 2,154.34 : x
  2. Step 2: Convert to fraction form
    3,833.16/5,288.43 = 2,154.34/x
  3. Step 3: Cross multiply
    3,833.16x = 5,288.43 × 2,154.34
  4. Step 4: Simplify right side
    3,833.16x = 11,393,076.29
  5. Step 5: Solve for x
    x = 11,393,076.29/3,833.16
  6. Step 6: Final answer
    x = 2,972.24

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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.