Home / 2,983.13-4,116.62-1,804.17

Finding the Fourth Proportional to 2,983.13, 4,116.62 and 1,804.17

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Solution

The fourth proportional to 2,983.13, 4,116.62 and 1,804.17 is: 2,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.13 : 4,116.62 = 1,804.17 : x
  2. Step 2: Convert to fraction form
    2,983.13/4,116.62 = 1,804.17/x
  3. Step 3: Cross multiply
    2,983.13x = 4,116.62 × 1,804.17
  4. Step 4: Simplify right side
    2,983.13x = 7,427,102.25
  5. Step 5: Solve for x
    x = 7,427,102.25/2,983.13
  6. Step 6: Final answer
    x = 2,489.70

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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.