Home / 3,070.17-4,236.80-1,672.92

Finding the Fourth Proportional to 3,070.17, 4,236.80 and 1,672.92

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Solution

The fourth proportional to 3,070.17, 4,236.80 and 1,672.92 is: 2,308.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.17 : 4,236.80 = 1,672.92 : x
  2. Step 2: Convert to fraction form
    3,070.17/4,236.80 = 1,672.92/x
  3. Step 3: Cross multiply
    3,070.17x = 4,236.80 × 1,672.92
  4. Step 4: Simplify right side
    3,070.17x = 7,087,819.09
  5. Step 5: Solve for x
    x = 7,087,819.09/3,070.17
  6. Step 6: Final answer
    x = 2,308.61

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Double scale
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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.