Home / 4,097.12-6,145.68-1,019.12

Finding the Fourth Proportional to 4,097.12, 6,145.68 and 1,019.12

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Solution

The fourth proportional to 4,097.12, 6,145.68 and 1,019.12 is: 1,528.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,097.12 : 6,145.68 = 1,019.12 : x
  2. Step 2: Convert to fraction form
    4,097.12/6,145.68 = 1,019.12/x
  3. Step 3: Cross multiply
    4,097.12x = 6,145.68 × 1,019.12
  4. Step 4: Simplify right side
    4,097.12x = 6,263,185.40
  5. Step 5: Solve for x
    x = 6,263,185.40/4,097.12
  6. Step 6: Final answer
    x = 1,528.68

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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.