Home / 1,979.39-2,968.17-573.48

Finding the Fourth Proportional to 1,979.39, 2,968.17 and 573.48

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Solution

The fourth proportional to 1,979.39, 2,968.17 and 573.48 is: 859.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979.39 : 2,968.17 = 573.48 : x
  2. Step 2: Convert to fraction form
    1,979.39/2,968.17 = 573.48/x
  3. Step 3: Cross multiply
    1,979.39x = 2,968.17 × 573.48
  4. Step 4: Simplify right side
    1,979.39x = 1,702,186.13
  5. Step 5: Solve for x
    x = 1,702,186.13/1,979.39
  6. Step 6: Final answer
    x = 859.96

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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.