Home / 3,666.96-5,060.42-1,988.38

Finding the Fourth Proportional to 3,666.96, 5,060.42 and 1,988.38

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Solution

The fourth proportional to 3,666.96, 5,060.42 and 1,988.38 is: 2,743.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.96 : 5,060.42 = 1,988.38 : x
  2. Step 2: Convert to fraction form
    3,666.96/5,060.42 = 1,988.38/x
  3. Step 3: Cross multiply
    3,666.96x = 5,060.42 × 1,988.38
  4. Step 4: Simplify right side
    3,666.96x = 10,062,041.76
  5. Step 5: Solve for x
    x = 10,062,041.76/3,666.96
  6. Step 6: Final answer
    x = 2,743.97

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1.5x scale

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.