Home / 1,802.82-2,488.88-1,246.29

Finding the Fourth Proportional to 1,802.82, 2,488.88 and 1,246.29

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Solution

The fourth proportional to 1,802.82, 2,488.88 and 1,246.29 is: 1,720.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802.82 : 2,488.88 = 1,246.29 : x
  2. Step 2: Convert to fraction form
    1,802.82/2,488.88 = 1,246.29/x
  3. Step 3: Cross multiply
    1,802.82x = 2,488.88 × 1,246.29
  4. Step 4: Simplify right side
    1,802.82x = 3,101,866.26
  5. Step 5: Solve for x
    x = 3,101,866.26/1,802.82
  6. Step 6: Final answer
    x = 1,720.56

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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.