Home / 3,705.08-5,551.20-1,947.47

Finding the Fourth Proportional to 3,705.08, 5,551.20 and 1,947.47

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Solution

The fourth proportional to 3,705.08, 5,551.20 and 1,947.47 is: 2,917.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.08 : 5,551.20 = 1,947.47 : x
  2. Step 2: Convert to fraction form
    3,705.08/5,551.20 = 1,947.47/x
  3. Step 3: Cross multiply
    3,705.08x = 5,551.20 × 1,947.47
  4. Step 4: Simplify right side
    3,705.08x = 10,810,767.71
  5. Step 5: Solve for x
    x = 10,810,767.71/3,705.08
  6. Step 6: Final answer
    x = 2,917.83

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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.