Home / 3,175.36-4,764-2,139.52

Finding the Fourth Proportional to 3,175.36, 4,764 and 2,139.52

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Solution

The fourth proportional to 3,175.36, 4,764 and 2,139.52 is: 3,209.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.36 : 4,764 = 2,139.52 : x
  2. Step 2: Convert to fraction form
    3,175.36/4,764 = 2,139.52/x
  3. Step 3: Cross multiply
    3,175.36x = 4,764 × 2,139.52
  4. Step 4: Simplify right side
    3,175.36x = 10,192,673.28
  5. Step 5: Solve for x
    x = 10,192,673.28/3,175.36
  6. Step 6: Final answer
    x = 3,209.93

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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.