Home / 3,097.78-4,643.79-2,124.34

Finding the Fourth Proportional to 3,097.78, 4,643.79 and 2,124.34

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Solution

The fourth proportional to 3,097.78, 4,643.79 and 2,124.34 is: 3,184.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.78 : 4,643.79 = 2,124.34 : x
  2. Step 2: Convert to fraction form
    3,097.78/4,643.79 = 2,124.34/x
  3. Step 3: Cross multiply
    3,097.78x = 4,643.79 × 2,124.34
  4. Step 4: Simplify right side
    3,097.78x = 9,864,988.85
  5. Step 5: Solve for x
    x = 9,864,988.85/3,097.78
  6. Step 6: Final answer
    x = 3,184.54

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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.