Home / 1,323.54-1,982.35-1,298.14

Finding the Fourth Proportional to 1,323.54, 1,982.35 and 1,298.14

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Solution

The fourth proportional to 1,323.54, 1,982.35 and 1,298.14 is: 1,944.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.54 : 1,982.35 = 1,298.14 : x
  2. Step 2: Convert to fraction form
    1,323.54/1,982.35 = 1,298.14/x
  3. Step 3: Cross multiply
    1,323.54x = 1,982.35 × 1,298.14
  4. Step 4: Simplify right side
    1,323.54x = 2,573,367.83
  5. Step 5: Solve for x
    x = 2,573,367.83/1,323.54
  6. Step 6: Final answer
    x = 1,944.31

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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.