Home / 1,921.59-2,879.96-1,660.37

Finding the Fourth Proportional to 1,921.59, 2,879.96 and 1,660.37

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Solution

The fourth proportional to 1,921.59, 2,879.96 and 1,660.37 is: 2,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921.59 : 2,879.96 = 1,660.37 : x
  2. Step 2: Convert to fraction form
    1,921.59/2,879.96 = 1,660.37/x
  3. Step 3: Cross multiply
    1,921.59x = 2,879.96 × 1,660.37
  4. Step 4: Simplify right side
    1,921.59x = 4,781,776.48
  5. Step 5: Solve for x
    x = 4,781,776.48/1,921.59
  6. Step 6: Final answer
    x = 2,488.45

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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.