Home / 3,663.64-5,055.96-2,091.88

Finding the Fourth Proportional to 3,663.64, 5,055.96 and 2,091.88

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Solution

The fourth proportional to 3,663.64, 5,055.96 and 2,091.88 is: 2,886.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.64 : 5,055.96 = 2,091.88 : x
  2. Step 2: Convert to fraction form
    3,663.64/5,055.96 = 2,091.88/x
  3. Step 3: Cross multiply
    3,663.64x = 5,055.96 × 2,091.88
  4. Step 4: Simplify right side
    3,663.64x = 10,576,461.60
  5. Step 5: Solve for x
    x = 10,576,461.60/3,663.64
  6. Step 6: Final answer
    x = 2,886.87

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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.