Home / 1,716.80-2,575.22-1,135.53

Finding the Fourth Proportional to 1,716.80, 2,575.22 and 1,135.53

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Solution

The fourth proportional to 1,716.80, 2,575.22 and 1,135.53 is: 1,703.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.80 : 2,575.22 = 1,135.53 : x
  2. Step 2: Convert to fraction form
    1,716.80/2,575.22 = 1,135.53/x
  3. Step 3: Cross multiply
    1,716.80x = 2,575.22 × 1,135.53
  4. Step 4: Simplify right side
    1,716.80x = 2,924,233.89
  5. Step 5: Solve for x
    x = 2,924,233.89/1,716.80
  6. Step 6: Final answer
    x = 1,703.31

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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.