Home / 2,068.88-3,103.32-1,965.06

Finding the Fourth Proportional to 2,068.88, 3,103.32 and 1,965.06

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Solution

The fourth proportional to 2,068.88, 3,103.32 and 1,965.06 is: 2,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.88 : 3,103.32 = 1,965.06 : x
  2. Step 2: Convert to fraction form
    2,068.88/3,103.32 = 1,965.06/x
  3. Step 3: Cross multiply
    2,068.88x = 3,103.32 × 1,965.06
  4. Step 4: Simplify right side
    2,068.88x = 6,098,210.00
  5. Step 5: Solve for x
    x = 6,098,210.00/2,068.88
  6. Step 6: Final answer
    x = 2,947.60

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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.