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Finding the Fourth Proportional to 1,910.74, 2,866.95 and 1,032.23

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Solution

The fourth proportional to 1,910.74, 2,866.95 and 1,032.23 is: 1,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.74 : 2,866.95 = 1,032.23 : x
  2. Step 2: Convert to fraction form
    1,910.74/2,866.95 = 1,032.23/x
  3. Step 3: Cross multiply
    1,910.74x = 2,866.95 × 1,032.23
  4. Step 4: Simplify right side
    1,910.74x = 2,959,351.80
  5. Step 5: Solve for x
    x = 2,959,351.80/1,910.74
  6. Step 6: Final answer
    x = 1,548.80

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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.