Home / 2,097.90-3,148.36-1,691.94

Finding the Fourth Proportional to 2,097.90, 3,148.36 and 1,691.94

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Solution

The fourth proportional to 2,097.90, 3,148.36 and 1,691.94 is: 2,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097.90 : 3,148.36 = 1,691.94 : x
  2. Step 2: Convert to fraction form
    2,097.90/3,148.36 = 1,691.94/x
  3. Step 3: Cross multiply
    2,097.90x = 3,148.36 × 1,691.94
  4. Step 4: Simplify right side
    2,097.90x = 5,326,836.22
  5. Step 5: Solve for x
    x = 5,326,836.22/2,097.90
  6. Step 6: Final answer
    x = 2,539.13

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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.