Home / 3,921.18-5,882.34-1,323.51

Finding the Fourth Proportional to 3,921.18, 5,882.34 and 1,323.51

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Solution

The fourth proportional to 3,921.18, 5,882.34 and 1,323.51 is: 1,985.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.18 : 5,882.34 = 1,323.51 : x
  2. Step 2: Convert to fraction form
    3,921.18/5,882.34 = 1,323.51/x
  3. Step 3: Cross multiply
    3,921.18x = 5,882.34 × 1,323.51
  4. Step 4: Simplify right side
    3,921.18x = 7,785,335.81
  5. Step 5: Solve for x
    x = 7,785,335.81/3,921.18
  6. Step 6: Final answer
    x = 1,985.46

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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.