Home / 3,221.32-4,447.56-2,026.84

Finding the Fourth Proportional to 3,221.32, 4,447.56 and 2,026.84

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Solution

The fourth proportional to 3,221.32, 4,447.56 and 2,026.84 is: 2,798.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.32 : 4,447.56 = 2,026.84 : x
  2. Step 2: Convert to fraction form
    3,221.32/4,447.56 = 2,026.84/x
  3. Step 3: Cross multiply
    3,221.32x = 4,447.56 × 2,026.84
  4. Step 4: Simplify right side
    3,221.32x = 9,014,492.51
  5. Step 5: Solve for x
    x = 9,014,492.51/3,221.32
  6. Step 6: Final answer
    x = 2,798.38

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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.