Home / 2,221.29-3,064.50-1,336.97

Finding the Fourth Proportional to 2,221.29, 3,064.50 and 1,336.97

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Solution

The fourth proportional to 2,221.29, 3,064.50 and 1,336.97 is: 1,844.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.29 : 3,064.50 = 1,336.97 : x
  2. Step 2: Convert to fraction form
    2,221.29/3,064.50 = 1,336.97/x
  3. Step 3: Cross multiply
    2,221.29x = 3,064.50 × 1,336.97
  4. Step 4: Simplify right side
    2,221.29x = 4,097,152.23
  5. Step 5: Solve for x
    x = 4,097,152.23/2,221.29
  6. Step 6: Final answer
    x = 1,844.49

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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.