Home / 1,442.60-2,162.80-1,031.48

Finding the Fourth Proportional to 1,442.60, 2,162.80 and 1,031.48

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Solution

The fourth proportional to 1,442.60, 2,162.80 and 1,031.48 is: 1,546.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442.60 : 2,162.80 = 1,031.48 : x
  2. Step 2: Convert to fraction form
    1,442.60/2,162.80 = 1,031.48/x
  3. Step 3: Cross multiply
    1,442.60x = 2,162.80 × 1,031.48
  4. Step 4: Simplify right side
    1,442.60x = 2,230,884.94
  5. Step 5: Solve for x
    x = 2,230,884.94/1,442.60
  6. Step 6: Final answer
    x = 1,546.43

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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.