Home / 3,109.62-4,660.56-2,068.68

Finding the Fourth Proportional to 3,109.62, 4,660.56 and 2,068.68

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Solution

The fourth proportional to 3,109.62, 4,660.56 and 2,068.68 is: 3,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.62 : 4,660.56 = 2,068.68 : x
  2. Step 2: Convert to fraction form
    3,109.62/4,660.56 = 2,068.68/x
  3. Step 3: Cross multiply
    3,109.62x = 4,660.56 × 2,068.68
  4. Step 4: Simplify right side
    3,109.62x = 9,641,207.26
  5. Step 5: Solve for x
    x = 9,641,207.26/3,109.62
  6. Step 6: Final answer
    x = 3,100.45

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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.