Home / 3,097.05-4,645.58-1,317.65

Finding the Fourth Proportional to 3,097.05, 4,645.58 and 1,317.65

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Solution

The fourth proportional to 3,097.05, 4,645.58 and 1,317.65 is: 1,976.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.05 : 4,645.58 = 1,317.65 : x
  2. Step 2: Convert to fraction form
    3,097.05/4,645.58 = 1,317.65/x
  3. Step 3: Cross multiply
    3,097.05x = 4,645.58 × 1,317.65
  4. Step 4: Simplify right side
    3,097.05x = 6,121,248.51
  5. Step 5: Solve for x
    x = 6,121,248.51/3,097.05
  6. Step 6: Final answer
    x = 1,976.48

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Similar ratio
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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.