Home / 3,555.23-4,905.08-1,983.02

Finding the Fourth Proportional to 3,555.23, 4,905.08 and 1,983.02

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Solution

The fourth proportional to 3,555.23, 4,905.08 and 1,983.02 is: 2,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.23 : 4,905.08 = 1,983.02 : x
  2. Step 2: Convert to fraction form
    3,555.23/4,905.08 = 1,983.02/x
  3. Step 3: Cross multiply
    3,555.23x = 4,905.08 × 1,983.02
  4. Step 4: Simplify right side
    3,555.23x = 9,726,874.09
  5. Step 5: Solve for x
    x = 9,726,874.09/3,555.23
  6. Step 6: Final answer
    x = 2,735.93

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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.