Home / 1,673.11-2,308.98-1,009.95

Finding the Fourth Proportional to 1,673.11, 2,308.98 and 1,009.95

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Solution

The fourth proportional to 1,673.11, 2,308.98 and 1,009.95 is: 1,393.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.11 : 2,308.98 = 1,009.95 : x
  2. Step 2: Convert to fraction form
    1,673.11/2,308.98 = 1,009.95/x
  3. Step 3: Cross multiply
    1,673.11x = 2,308.98 × 1,009.95
  4. Step 4: Simplify right side
    1,673.11x = 2,331,949.30
  5. Step 5: Solve for x
    x = 2,331,949.30/1,673.11
  6. Step 6: Final answer
    x = 1,393.78

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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.