Home / 1,717.92-2,371.32-1,019.25

Finding the Fourth Proportional to 1,717.92, 2,371.32 and 1,019.25

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Solution

The fourth proportional to 1,717.92, 2,371.32 and 1,019.25 is: 1,406.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.92 : 2,371.32 = 1,019.25 : x
  2. Step 2: Convert to fraction form
    1,717.92/2,371.32 = 1,019.25/x
  3. Step 3: Cross multiply
    1,717.92x = 2,371.32 × 1,019.25
  4. Step 4: Simplify right side
    1,717.92x = 2,416,967.91
  5. Step 5: Solve for x
    x = 2,416,967.91/1,717.92
  6. Step 6: Final answer
    x = 1,406.92

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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.