Home / 3,206.15-4,805.58-1,356.11

Finding the Fourth Proportional to 3,206.15, 4,805.58 and 1,356.11

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Solution

The fourth proportional to 3,206.15, 4,805.58 and 1,356.11 is: 2,032.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.15 : 4,805.58 = 1,356.11 : x
  2. Step 2: Convert to fraction form
    3,206.15/4,805.58 = 1,356.11/x
  3. Step 3: Cross multiply
    3,206.15x = 4,805.58 × 1,356.11
  4. Step 4: Simplify right side
    3,206.15x = 6,516,886.54
  5. Step 5: Solve for x
    x = 6,516,886.54/3,206.15
  6. Step 6: Final answer
    x = 2,032.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.