Home / 1,716.79-2,575.88-1,131.69

Finding the Fourth Proportional to 1,716.79, 2,575.88 and 1,131.69

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Solution

The fourth proportional to 1,716.79, 2,575.88 and 1,131.69 is: 1,698.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.79 : 2,575.88 = 1,131.69 : x
  2. Step 2: Convert to fraction form
    1,716.79/2,575.88 = 1,131.69/x
  3. Step 3: Cross multiply
    1,716.79x = 2,575.88 × 1,131.69
  4. Step 4: Simplify right side
    1,716.79x = 2,915,110.13
  5. Step 5: Solve for x
    x = 2,915,110.13/1,716.79
  6. Step 6: Final answer
    x = 1,698.00

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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.