Home / 3,283.66-4,529.76-2,221.47

Finding the Fourth Proportional to 3,283.66, 4,529.76 and 2,221.47

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Solution

The fourth proportional to 3,283.66, 4,529.76 and 2,221.47 is: 3,064.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.66 : 4,529.76 = 2,221.47 : x
  2. Step 2: Convert to fraction form
    3,283.66/4,529.76 = 2,221.47/x
  3. Step 3: Cross multiply
    3,283.66x = 4,529.76 × 2,221.47
  4. Step 4: Simplify right side
    3,283.66x = 10,062,742.83
  5. Step 5: Solve for x
    x = 10,062,742.83/3,283.66
  6. Step 6: Final answer
    x = 3,064.49

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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.