Home / 1,673.07-2,308.68-1,230.20

Finding the Fourth Proportional to 1,673.07, 2,308.68 and 1,230.20

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Solution

The fourth proportional to 1,673.07, 2,308.68 and 1,230.20 is: 1,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.07 : 2,308.68 = 1,230.20 : x
  2. Step 2: Convert to fraction form
    1,673.07/2,308.68 = 1,230.20/x
  3. Step 3: Cross multiply
    1,673.07x = 2,308.68 × 1,230.20
  4. Step 4: Simplify right side
    1,673.07x = 2,840,135.25
  5. Step 5: Solve for x
    x = 2,840,135.25/1,673.07
  6. Step 6: Final answer
    x = 1,697.56

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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.