Home / 3,886.28-5,361.75-2,373.29

Finding the Fourth Proportional to 3,886.28, 5,361.75 and 2,373.29

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Solution

The fourth proportional to 3,886.28, 5,361.75 and 2,373.29 is: 3,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.28 : 5,361.75 = 2,373.29 : x
  2. Step 2: Convert to fraction form
    3,886.28/5,361.75 = 2,373.29/x
  3. Step 3: Cross multiply
    3,886.28x = 5,361.75 × 2,373.29
  4. Step 4: Simplify right side
    3,886.28x = 12,725,009.96
  5. Step 5: Solve for x
    x = 12,725,009.96/3,886.28
  6. Step 6: Final answer
    x = 3,274.34

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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.