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Finding the Fourth Proportional to 2,308.96, 3,460.50 and 1,660.96

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Solution

The fourth proportional to 2,308.96, 3,460.50 and 1,660.96 is: 2,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.96 : 3,460.50 = 1,660.96 : x
  2. Step 2: Convert to fraction form
    2,308.96/3,460.50 = 1,660.96/x
  3. Step 3: Cross multiply
    2,308.96x = 3,460.50 × 1,660.96
  4. Step 4: Simplify right side
    2,308.96x = 5,747,752.08
  5. Step 5: Solve for x
    x = 5,747,752.08/2,308.96
  6. Step 6: Final answer
    x = 2,489.33

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1.5x scale

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.