Home / 1,672.59-2,308.23-926.49

Finding the Fourth Proportional to 1,672.59, 2,308.23 and 926.49

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Solution

The fourth proportional to 1,672.59, 2,308.23 and 926.49 is: 1,278.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672.59 : 2,308.23 = 926.49 : x
  2. Step 2: Convert to fraction form
    1,672.59/2,308.23 = 926.49/x
  3. Step 3: Cross multiply
    1,672.59x = 2,308.23 × 926.49
  4. Step 4: Simplify right side
    1,672.59x = 2,138,552.01
  5. Step 5: Solve for x
    x = 2,138,552.01/1,672.59
  6. Step 6: Final answer
    x = 1,278.59

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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.