Home / 3,218.39-4,442.12-2,097.35

Finding the Fourth Proportional to 3,218.39, 4,442.12 and 2,097.35

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Solution

The fourth proportional to 3,218.39, 4,442.12 and 2,097.35 is: 2,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.39 : 4,442.12 = 2,097.35 : x
  2. Step 2: Convert to fraction form
    3,218.39/4,442.12 = 2,097.35/x
  3. Step 3: Cross multiply
    3,218.39x = 4,442.12 × 2,097.35
  4. Step 4: Simplify right side
    3,218.39x = 9,316,680.38
  5. Step 5: Solve for x
    x = 9,316,680.38/3,218.39
  6. Step 6: Final answer
    x = 2,894.83

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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.