Home / 2,983.64-4,116.96-1,724.45

Finding the Fourth Proportional to 2,983.64, 4,116.96 and 1,724.45

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Solution

The fourth proportional to 2,983.64, 4,116.96 and 1,724.45 is: 2,379.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.64 : 4,116.96 = 1,724.45 : x
  2. Step 2: Convert to fraction form
    2,983.64/4,116.96 = 1,724.45/x
  3. Step 3: Cross multiply
    2,983.64x = 4,116.96 × 1,724.45
  4. Step 4: Simplify right side
    2,983.64x = 7,099,507.31
  5. Step 5: Solve for x
    x = 7,099,507.31/2,983.64
  6. Step 6: Final answer
    x = 2,379.48

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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.