Home / 4,102.76-5,661.96-2,334.20

Finding the Fourth Proportional to 4,102.76, 5,661.96 and 2,334.20

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Solution

The fourth proportional to 4,102.76, 5,661.96 and 2,334.20 is: 3,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.76 : 5,661.96 = 2,334.20 : x
  2. Step 2: Convert to fraction form
    4,102.76/5,661.96 = 2,334.20/x
  3. Step 3: Cross multiply
    4,102.76x = 5,661.96 × 2,334.20
  4. Step 4: Simplify right side
    4,102.76x = 13,216,147.03
  5. Step 5: Solve for x
    x = 13,216,147.03/4,102.76
  6. Step 6: Final answer
    x = 3,221.28

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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.