Home / 2,983.45-4,117.70-1,724.33

Finding the Fourth Proportional to 2,983.45, 4,117.70 and 1,724.33

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Solution

The fourth proportional to 2,983.45, 4,117.70 and 1,724.33 is: 2,379.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.45 : 4,117.70 = 1,724.33 : x
  2. Step 2: Convert to fraction form
    2,983.45/4,117.70 = 1,724.33/x
  3. Step 3: Cross multiply
    2,983.45x = 4,117.70 × 1,724.33
  4. Step 4: Simplify right side
    2,983.45x = 7,100,265.02
  5. Step 5: Solve for x
    x = 7,100,265.02/2,983.45
  6. Step 6: Final answer
    x = 2,379.89

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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.