Home / 1,691.14-2,533.80-1,519.94

Finding the Fourth Proportional to 1,691.14, 2,533.80 and 1,519.94

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Solution

The fourth proportional to 1,691.14, 2,533.80 and 1,519.94 is: 2,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691.14 : 2,533.80 = 1,519.94 : x
  2. Step 2: Convert to fraction form
    1,691.14/2,533.80 = 1,519.94/x
  3. Step 3: Cross multiply
    1,691.14x = 2,533.80 × 1,519.94
  4. Step 4: Simplify right side
    1,691.14x = 3,851,220.80
  5. Step 5: Solve for x
    x = 3,851,220.80/1,691.14
  6. Step 6: Final answer
    x = 2,277.30

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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.