Home / 1,716.19-2,575.23-1,129.75

Finding the Fourth Proportional to 1,716.19, 2,575.23 and 1,129.75

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Solution

The fourth proportional to 1,716.19, 2,575.23 and 1,129.75 is: 1,695.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.19 : 2,575.23 = 1,129.75 : x
  2. Step 2: Convert to fraction form
    1,716.19/2,575.23 = 1,129.75/x
  3. Step 3: Cross multiply
    1,716.19x = 2,575.23 × 1,129.75
  4. Step 4: Simplify right side
    1,716.19x = 2,909,366.09
  5. Step 5: Solve for x
    x = 2,909,366.09/1,716.19
  6. Step 6: Final answer
    x = 1,695.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.