Home / 3,070.28-4,236.96-1,673

Finding the Fourth Proportional to 3,070.28, 4,236.96 and 1,673

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Solution

The fourth proportional to 3,070.28, 4,236.96 and 1,673 is: 2,308.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.28 : 4,236.96 = 1,673 : x
  2. Step 2: Convert to fraction form
    3,070.28/4,236.96 = 1,673/x
  3. Step 3: Cross multiply
    3,070.28x = 4,236.96 × 1,673
  4. Step 4: Simplify right side
    3,070.28x = 7,088,434.08
  5. Step 5: Solve for x
    x = 7,088,434.08/3,070.28
  6. Step 6: Final answer
    x = 2,308.73

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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.