Home / 2,125.73-2,922.17-1,899.29

Finding the Fourth Proportional to 2,125.73, 2,922.17 and 1,899.29

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Solution

The fourth proportional to 2,125.73, 2,922.17 and 1,899.29 is: 2,610.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.73 : 2,922.17 = 1,899.29 : x
  2. Step 2: Convert to fraction form
    2,125.73/2,922.17 = 1,899.29/x
  3. Step 3: Cross multiply
    2,125.73x = 2,922.17 × 1,899.29
  4. Step 4: Simplify right side
    2,125.73x = 5,550,046.07
  5. Step 5: Solve for x
    x = 5,550,046.07/2,125.73
  6. Step 6: Final answer
    x = 2,610.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.