Home / 1,730.50-2,383.26-1,619.34

Finding the Fourth Proportional to 1,730.50, 2,383.26 and 1,619.34

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Solution

The fourth proportional to 1,730.50, 2,383.26 and 1,619.34 is: 2,230.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.50 : 2,383.26 = 1,619.34 : x
  2. Step 2: Convert to fraction form
    1,730.50/2,383.26 = 1,619.34/x
  3. Step 3: Cross multiply
    1,730.50x = 2,383.26 × 1,619.34
  4. Step 4: Simplify right side
    1,730.50x = 3,859,308.25
  5. Step 5: Solve for x
    x = 3,859,308.25/1,730.50
  6. Step 6: Final answer
    x = 2,230.17

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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.