Home / 2,221.32-3,064.14-1,335.72

Finding the Fourth Proportional to 2,221.32, 3,064.14 and 1,335.72

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Solution

The fourth proportional to 2,221.32, 3,064.14 and 1,335.72 is: 1,842.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.32 : 3,064.14 = 1,335.72 : x
  2. Step 2: Convert to fraction form
    2,221.32/3,064.14 = 1,335.72/x
  3. Step 3: Cross multiply
    2,221.32x = 3,064.14 × 1,335.72
  4. Step 4: Simplify right side
    2,221.32x = 4,092,833.08
  5. Step 5: Solve for x
    x = 4,092,833.08/2,221.32
  6. Step 6: Final answer
    x = 1,842.52

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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.