Home / 1,965.44-2,948.88-1,418.24

Finding the Fourth Proportional to 1,965.44, 2,948.88 and 1,418.24

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Solution

The fourth proportional to 1,965.44, 2,948.88 and 1,418.24 is: 2,127.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.44 : 2,948.88 = 1,418.24 : x
  2. Step 2: Convert to fraction form
    1,965.44/2,948.88 = 1,418.24/x
  3. Step 3: Cross multiply
    1,965.44x = 2,948.88 × 1,418.24
  4. Step 4: Simplify right side
    1,965.44x = 4,182,219.57
  5. Step 5: Solve for x
    x = 4,182,219.57/1,965.44
  6. Step 6: Final answer
    x = 2,127.88

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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.