Home / 3,865.84-5,334.06-2,293.36

Finding the Fourth Proportional to 3,865.84, 5,334.06 and 2,293.36

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Solution

The fourth proportional to 3,865.84, 5,334.06 and 2,293.36 is: 3,164.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.84 : 5,334.06 = 2,293.36 : x
  2. Step 2: Convert to fraction form
    3,865.84/5,334.06 = 2,293.36/x
  3. Step 3: Cross multiply
    3,865.84x = 5,334.06 × 2,293.36
  4. Step 4: Simplify right side
    3,865.84x = 12,232,919.84
  5. Step 5: Solve for x
    x = 12,232,919.84/3,865.84
  6. Step 6: Final answer
    x = 3,164.36

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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.