Home / 1,032.20-1,548.30-849.80

Finding the Fourth Proportional to 1,032.20, 1,548.30 and 849.80

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Solution

The fourth proportional to 1,032.20, 1,548.30 and 849.80 is: 1,274.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.20 : 1,548.30 = 849.80 : x
  2. Step 2: Convert to fraction form
    1,032.20/1,548.30 = 849.80/x
  3. Step 3: Cross multiply
    1,032.20x = 1,548.30 × 849.80
  4. Step 4: Simplify right side
    1,032.20x = 1,315,745.34
  5. Step 5: Solve for x
    x = 1,315,745.34/1,032.20
  6. Step 6: Final answer
    x = 1,274.70

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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.