Home / 3,690.54-5,097.93-2,949.69

Finding the Fourth Proportional to 3,690.54, 5,097.93 and 2,949.69

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Solution

The fourth proportional to 3,690.54, 5,097.93 and 2,949.69 is: 4,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.54 : 5,097.93 = 2,949.69 : x
  2. Step 2: Convert to fraction form
    3,690.54/5,097.93 = 2,949.69/x
  3. Step 3: Cross multiply
    3,690.54x = 5,097.93 × 2,949.69
  4. Step 4: Simplify right side
    3,690.54x = 15,037,313.14
  5. Step 5: Solve for x
    x = 15,037,313.14/3,690.54
  6. Step 6: Final answer
    x = 4,074.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.