Home / 3,448.74-5,171.88-1,108.65

Finding the Fourth Proportional to 3,448.74, 5,171.88 and 1,108.65

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Solution

The fourth proportional to 3,448.74, 5,171.88 and 1,108.65 is: 1,662.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.74 : 5,171.88 = 1,108.65 : x
  2. Step 2: Convert to fraction form
    3,448.74/5,171.88 = 1,108.65/x
  3. Step 3: Cross multiply
    3,448.74x = 5,171.88 × 1,108.65
  4. Step 4: Simplify right side
    3,448.74x = 5,733,804.76
  5. Step 5: Solve for x
    x = 5,733,804.76/3,448.74
  6. Step 6: Final answer
    x = 1,662.58

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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.