Home / 3,355.32-4,630.47-2,028.76

Finding the Fourth Proportional to 3,355.32, 4,630.47 and 2,028.76

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Solution

The fourth proportional to 3,355.32, 4,630.47 and 2,028.76 is: 2,799.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.32 : 4,630.47 = 2,028.76 : x
  2. Step 2: Convert to fraction form
    3,355.32/4,630.47 = 2,028.76/x
  3. Step 3: Cross multiply
    3,355.32x = 4,630.47 × 2,028.76
  4. Step 4: Simplify right side
    3,355.32x = 9,394,112.32
  5. Step 5: Solve for x
    x = 9,394,112.32/3,355.32
  6. Step 6: Final answer
    x = 2,799.77

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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.