Home / 3,283.36-4,529.48-2,221.50

Finding the Fourth Proportional to 3,283.36, 4,529.48 and 2,221.50

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Solution

The fourth proportional to 3,283.36, 4,529.48 and 2,221.50 is: 3,064.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.36 : 4,529.48 = 2,221.50 : x
  2. Step 2: Convert to fraction form
    3,283.36/4,529.48 = 2,221.50/x
  3. Step 3: Cross multiply
    3,283.36x = 4,529.48 × 2,221.50
  4. Step 4: Simplify right side
    3,283.36x = 10,062,239.82
  5. Step 5: Solve for x
    x = 10,062,239.82/3,283.36
  6. Step 6: Final answer
    x = 3,064.62

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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.