Home / 1,718.53-2,371.58-1,055.38

Finding the Fourth Proportional to 1,718.53, 2,371.58 and 1,055.38

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Solution

The fourth proportional to 1,718.53, 2,371.58 and 1,055.38 is: 1,456.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.53 : 2,371.58 = 1,055.38 : x
  2. Step 2: Convert to fraction form
    1,718.53/2,371.58 = 1,055.38/x
  3. Step 3: Cross multiply
    1,718.53x = 2,371.58 × 1,055.38
  4. Step 4: Simplify right side
    1,718.53x = 2,502,910.85
  5. Step 5: Solve for x
    x = 2,502,910.85/1,718.53
  6. Step 6: Final answer
    x = 1,456.42

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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.