Home / 3,637.92-5,007.76-3,171.36

Finding the Fourth Proportional to 3,637.92, 5,007.76 and 3,171.36

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Solution

The fourth proportional to 3,637.92, 5,007.76 and 3,171.36 is: 4,365.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.92 : 5,007.76 = 3,171.36 : x
  2. Step 2: Convert to fraction form
    3,637.92/5,007.76 = 3,171.36/x
  3. Step 3: Cross multiply
    3,637.92x = 5,007.76 × 3,171.36
  4. Step 4: Simplify right side
    3,637.92x = 15,881,409.75
  5. Step 5: Solve for x
    x = 15,881,409.75/3,637.92
  6. Step 6: Final answer
    x = 4,365.52

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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.