Home / 1,965.06-2,948.93-1,272.05

Finding the Fourth Proportional to 1,965.06, 2,948.93 and 1,272.05

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Solution

The fourth proportional to 1,965.06, 2,948.93 and 1,272.05 is: 1,908.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.06 : 2,948.93 = 1,272.05 : x
  2. Step 2: Convert to fraction form
    1,965.06/2,948.93 = 1,272.05/x
  3. Step 3: Cross multiply
    1,965.06x = 2,948.93 × 1,272.05
  4. Step 4: Simplify right side
    1,965.06x = 3,751,165.30
  5. Step 5: Solve for x
    x = 3,751,165.30/1,965.06
  6. Step 6: Final answer
    x = 1,908.93

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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.