Home / 1,660.24-2,488.96-1,110.75

Finding the Fourth Proportional to 1,660.24, 2,488.96 and 1,110.75

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Solution

The fourth proportional to 1,660.24, 2,488.96 and 1,110.75 is: 1,665.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.24 : 2,488.96 = 1,110.75 : x
  2. Step 2: Convert to fraction form
    1,660.24/2,488.96 = 1,110.75/x
  3. Step 3: Cross multiply
    1,660.24x = 2,488.96 × 1,110.75
  4. Step 4: Simplify right side
    1,660.24x = 2,764,612.32
  5. Step 5: Solve for x
    x = 2,764,612.32/1,660.24
  6. Step 6: Final answer
    x = 1,665.19

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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.