Home / 1,716.26-2,369.59-1,127.79

Finding the Fourth Proportional to 1,716.26, 2,369.59 and 1,127.79

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Solution

The fourth proportional to 1,716.26, 2,369.59 and 1,127.79 is: 1,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.26 : 2,369.59 = 1,127.79 : x
  2. Step 2: Convert to fraction form
    1,716.26/2,369.59 = 1,127.79/x
  3. Step 3: Cross multiply
    1,716.26x = 2,369.59 × 1,127.79
  4. Step 4: Simplify right side
    1,716.26x = 2,672,397.09
  5. Step 5: Solve for x
    x = 2,672,397.09/1,716.26
  6. Step 6: Final answer
    x = 1,557.11

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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.