Home / 3,405.78-5,097.72-2,304.08

Finding the Fourth Proportional to 3,405.78, 5,097.72 and 2,304.08

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Solution

The fourth proportional to 3,405.78, 5,097.72 and 2,304.08 is: 3,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.78 : 5,097.72 = 2,304.08 : x
  2. Step 2: Convert to fraction form
    3,405.78/5,097.72 = 2,304.08/x
  3. Step 3: Cross multiply
    3,405.78x = 5,097.72 × 2,304.08
  4. Step 4: Simplify right side
    3,405.78x = 11,745,554.70
  5. Step 5: Solve for x
    x = 11,745,554.70/3,405.78
  6. Step 6: Final answer
    x = 3,448.71

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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.