Home / 3,177.36-4,767-2,141.52

Finding the Fourth Proportional to 3,177.36, 4,767 and 2,141.52

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Solution

The fourth proportional to 3,177.36, 4,767 and 2,141.52 is: 3,212.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.36 : 4,767 = 2,141.52 : x
  2. Step 2: Convert to fraction form
    3,177.36/4,767 = 2,141.52/x
  3. Step 3: Cross multiply
    3,177.36x = 4,767 × 2,141.52
  4. Step 4: Simplify right side
    3,177.36x = 10,208,625.84
  5. Step 5: Solve for x
    x = 10,208,625.84/3,177.36
  6. Step 6: Final answer
    x = 3,212.93

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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.