Home / 3,830.59-5,733.52-1,979.13

Finding the Fourth Proportional to 3,830.59, 5,733.52 and 1,979.13

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Solution

The fourth proportional to 3,830.59, 5,733.52 and 1,979.13 is: 2,962.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.59 : 5,733.52 = 1,979.13 : x
  2. Step 2: Convert to fraction form
    3,830.59/5,733.52 = 1,979.13/x
  3. Step 3: Cross multiply
    3,830.59x = 5,733.52 × 1,979.13
  4. Step 4: Simplify right side
    3,830.59x = 11,347,397.99
  5. Step 5: Solve for x
    x = 11,347,397.99/3,830.59
  6. Step 6: Final answer
    x = 2,962.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.