Home / 3,486.86-4,812.44-2,691.34

Finding the Fourth Proportional to 3,486.86, 4,812.44 and 2,691.34

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Solution

The fourth proportional to 3,486.86, 4,812.44 and 2,691.34 is: 3,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.86 : 4,812.44 = 2,691.34 : x
  2. Step 2: Convert to fraction form
    3,486.86/4,812.44 = 2,691.34/x
  3. Step 3: Cross multiply
    3,486.86x = 4,812.44 × 2,691.34
  4. Step 4: Simplify right side
    3,486.86x = 12,951,886.78
  5. Step 5: Solve for x
    x = 12,951,886.78/3,486.86
  6. Step 6: Final answer
    x = 3,714.49

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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.