Home / 1,763.36-2,631.72-1,717.28

Finding the Fourth Proportional to 1,763.36, 2,631.72 and 1,717.28

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Solution

The fourth proportional to 1,763.36, 2,631.72 and 1,717.28 is: 2,562.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.36 : 2,631.72 = 1,717.28 : x
  2. Step 2: Convert to fraction form
    1,763.36/2,631.72 = 1,717.28/x
  3. Step 3: Cross multiply
    1,763.36x = 2,631.72 × 1,717.28
  4. Step 4: Simplify right side
    1,763.36x = 4,519,400.12
  5. Step 5: Solve for x
    x = 4,519,400.12/1,763.36
  6. Step 6: Final answer
    x = 2,562.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.