Home / 3,203.28-4,417.56-2,209.68

Finding the Fourth Proportional to 3,203.28, 4,417.56 and 2,209.68

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Solution

The fourth proportional to 3,203.28, 4,417.56 and 2,209.68 is: 3,047.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.28 : 4,417.56 = 2,209.68 : x
  2. Step 2: Convert to fraction form
    3,203.28/4,417.56 = 2,209.68/x
  3. Step 3: Cross multiply
    3,203.28x = 4,417.56 × 2,209.68
  4. Step 4: Simplify right side
    3,203.28x = 9,761,393.98
  5. Step 5: Solve for x
    x = 9,761,393.98/3,203.28
  6. Step 6: Final answer
    x = 3,047.31

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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.