Home / 2,167.29-2,989.49-1,608.26

Finding the Fourth Proportional to 2,167.29, 2,989.49 and 1,608.26

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Solution

The fourth proportional to 2,167.29, 2,989.49 and 1,608.26 is: 2,218.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.29 : 2,989.49 = 1,608.26 : x
  2. Step 2: Convert to fraction form
    2,167.29/2,989.49 = 1,608.26/x
  3. Step 3: Cross multiply
    2,167.29x = 2,989.49 × 1,608.26
  4. Step 4: Simplify right side
    2,167.29x = 4,807,854.20
  5. Step 5: Solve for x
    x = 4,807,854.20/2,167.29
  6. Step 6: Final answer
    x = 2,218.37

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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.