Home / 3,449.48-5,175.08-1,109.70

Finding the Fourth Proportional to 3,449.48, 5,175.08 and 1,109.70

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Solution

The fourth proportional to 3,449.48, 5,175.08 and 1,109.70 is: 1,664.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.48 : 5,175.08 = 1,109.70 : x
  2. Step 2: Convert to fraction form
    3,449.48/5,175.08 = 1,109.70/x
  3. Step 3: Cross multiply
    3,449.48x = 5,175.08 × 1,109.70
  4. Step 4: Simplify right side
    3,449.48x = 5,742,780.73
  5. Step 5: Solve for x
    x = 5,742,780.73/3,449.48
  6. Step 6: Final answer
    x = 1,664.83

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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.