Home / 2,645.73-3,647.84-1,759.59

Finding the Fourth Proportional to 2,645.73, 3,647.84 and 1,759.59

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Solution

The fourth proportional to 2,645.73, 3,647.84 and 1,759.59 is: 2,426.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.73 : 3,647.84 = 1,759.59 : x
  2. Step 2: Convert to fraction form
    2,645.73/3,647.84 = 1,759.59/x
  3. Step 3: Cross multiply
    2,645.73x = 3,647.84 × 1,759.59
  4. Step 4: Simplify right side
    2,645.73x = 6,418,693.99
  5. Step 5: Solve for x
    x = 6,418,693.99/2,645.73
  6. Step 6: Final answer
    x = 2,426.06

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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.