Home / 3,701.36-5,556.43-2,921.91

Finding the Fourth Proportional to 3,701.36, 5,556.43 and 2,921.91

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Solution

The fourth proportional to 3,701.36, 5,556.43 and 2,921.91 is: 4,386.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.36 : 5,556.43 = 2,921.91 : x
  2. Step 2: Convert to fraction form
    3,701.36/5,556.43 = 2,921.91/x
  3. Step 3: Cross multiply
    3,701.36x = 5,556.43 × 2,921.91
  4. Step 4: Simplify right side
    3,701.36x = 16,235,371.20
  5. Step 5: Solve for x
    x = 16,235,371.20/3,701.36
  6. Step 6: Final answer
    x = 4,386.32

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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.