Home / 3,200.28-4,420.74-2,708.20

Finding the Fourth Proportional to 3,200.28, 4,420.74 and 2,708.20

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Solution

The fourth proportional to 3,200.28, 4,420.74 and 2,708.20 is: 3,741.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.28 : 4,420.74 = 2,708.20 : x
  2. Step 2: Convert to fraction form
    3,200.28/4,420.74 = 2,708.20/x
  3. Step 3: Cross multiply
    3,200.28x = 4,420.74 × 2,708.20
  4. Step 4: Simplify right side
    3,200.28x = 11,972,263.75
  5. Step 5: Solve for x
    x = 11,972,263.75/3,200.28
  6. Step 6: Final answer
    x = 3,741.01

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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.