Home / 1,660.54-2,291.60-914.56

Finding the Fourth Proportional to 1,660.54, 2,291.60 and 914.56

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Solution

The fourth proportional to 1,660.54, 2,291.60 and 914.56 is: 1,262.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.54 : 2,291.60 = 914.56 : x
  2. Step 2: Convert to fraction form
    1,660.54/2,291.60 = 914.56/x
  3. Step 3: Cross multiply
    1,660.54x = 2,291.60 × 914.56
  4. Step 4: Simplify right side
    1,660.54x = 2,095,805.70
  5. Step 5: Solve for x
    x = 2,095,805.70/1,660.54
  6. Step 6: Final answer
    x = 1,262.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.