Home / 3,070.22-4,236.86-1,672.96

Finding the Fourth Proportional to 3,070.22, 4,236.86 and 1,672.96

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Solution

The fourth proportional to 3,070.22, 4,236.86 and 1,672.96 is: 2,308.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.22 : 4,236.86 = 1,672.96 : x
  2. Step 2: Convert to fraction form
    3,070.22/4,236.86 = 1,672.96/x
  3. Step 3: Cross multiply
    3,070.22x = 4,236.86 × 1,672.96
  4. Step 4: Simplify right side
    3,070.22x = 7,088,097.31
  5. Step 5: Solve for x
    x = 7,088,097.31/3,070.22
  6. Step 6: Final answer
    x = 2,308.66

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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.