Home / 3,186.29-4,397.07-1,769.93

Finding the Fourth Proportional to 3,186.29, 4,397.07 and 1,769.93

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Solution

The fourth proportional to 3,186.29, 4,397.07 and 1,769.93 is: 2,442.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.29 : 4,397.07 = 1,769.93 : x
  2. Step 2: Convert to fraction form
    3,186.29/4,397.07 = 1,769.93/x
  3. Step 3: Cross multiply
    3,186.29x = 4,397.07 × 1,769.93
  4. Step 4: Simplify right side
    3,186.29x = 7,782,484.12
  5. Step 5: Solve for x
    x = 7,782,484.12/3,186.29
  6. Step 6: Final answer
    x = 2,442.49

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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.