Home / 3,283.61-4,529.79-2,221.74

Finding the Fourth Proportional to 3,283.61, 4,529.79 and 2,221.74

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Solution

The fourth proportional to 3,283.61, 4,529.79 and 2,221.74 is: 3,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.61 : 4,529.79 = 2,221.74 : x
  2. Step 2: Convert to fraction form
    3,283.61/4,529.79 = 2,221.74/x
  3. Step 3: Cross multiply
    3,283.61x = 4,529.79 × 2,221.74
  4. Step 4: Simplify right side
    3,283.61x = 10,064,015.63
  5. Step 5: Solve for x
    x = 10,064,015.63/3,283.61
  6. Step 6: Final answer
    x = 3,064.93

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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.