Home / 2,983.13-4,117.48-2,039.31

Finding the Fourth Proportional to 2,983.13, 4,117.48 and 2,039.31

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Solution

The fourth proportional to 2,983.13, 4,117.48 and 2,039.31 is: 2,814.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.13 : 4,117.48 = 2,039.31 : x
  2. Step 2: Convert to fraction form
    2,983.13/4,117.48 = 2,039.31/x
  3. Step 3: Cross multiply
    2,983.13x = 4,117.48 × 2,039.31
  4. Step 4: Simplify right side
    2,983.13x = 8,396,818.14
  5. Step 5: Solve for x
    x = 8,396,818.14/2,983.13
  6. Step 6: Final answer
    x = 2,814.77

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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.