Home / 2,983.56-4,116.65-1,804.61

Finding the Fourth Proportional to 2,983.56, 4,116.65 and 1,804.61

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Solution

The fourth proportional to 2,983.56, 4,116.65 and 1,804.61 is: 2,489.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.56 : 4,116.65 = 1,804.61 : x
  2. Step 2: Convert to fraction form
    2,983.56/4,116.65 = 1,804.61/x
  3. Step 3: Cross multiply
    2,983.56x = 4,116.65 × 1,804.61
  4. Step 4: Simplify right side
    2,983.56x = 7,428,947.76
  5. Step 5: Solve for x
    x = 7,428,947.76/2,983.56
  6. Step 6: Final answer
    x = 2,489.96

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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.