Home / 2,983.28-4,116.98-1,804.08

Finding the Fourth Proportional to 2,983.28, 4,116.98 and 1,804.08

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Solution

The fourth proportional to 2,983.28, 4,116.98 and 1,804.08 is: 2,489.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.28 : 4,116.98 = 1,804.08 : x
  2. Step 2: Convert to fraction form
    2,983.28/4,116.98 = 1,804.08/x
  3. Step 3: Cross multiply
    2,983.28x = 4,116.98 × 1,804.08
  4. Step 4: Simplify right side
    2,983.28x = 7,427,361.28
  5. Step 5: Solve for x
    x = 7,427,361.28/2,983.28
  6. Step 6: Final answer
    x = 2,489.66

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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.