Home / 1,968.52-2,950.86-1,236.28

Finding the Fourth Proportional to 1,968.52, 2,950.86 and 1,236.28

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Solution

The fourth proportional to 1,968.52, 2,950.86 and 1,236.28 is: 1,853.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.52 : 2,950.86 = 1,236.28 : x
  2. Step 2: Convert to fraction form
    1,968.52/2,950.86 = 1,236.28/x
  3. Step 3: Cross multiply
    1,968.52x = 2,950.86 × 1,236.28
  4. Step 4: Simplify right side
    1,968.52x = 3,648,089.20
  5. Step 5: Solve for x
    x = 3,648,089.20/1,968.52
  6. Step 6: Final answer
    x = 1,853.21

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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.