Home / 2,712.43-4,070.96-1,934.34

Finding the Fourth Proportional to 2,712.43, 4,070.96 and 1,934.34

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Solution

The fourth proportional to 2,712.43, 4,070.96 and 1,934.34 is: 2,903.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.43 : 4,070.96 = 1,934.34 : x
  2. Step 2: Convert to fraction form
    2,712.43/4,070.96 = 1,934.34/x
  3. Step 3: Cross multiply
    2,712.43x = 4,070.96 × 1,934.34
  4. Step 4: Simplify right side
    2,712.43x = 7,874,618.35
  5. Step 5: Solve for x
    x = 7,874,618.35/2,712.43
  6. Step 6: Final answer
    x = 2,903.16

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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.