Home / 3,931.89-5,898.37-1,334.13

Finding the Fourth Proportional to 3,931.89, 5,898.37 and 1,334.13

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Solution

The fourth proportional to 3,931.89, 5,898.37 and 1,334.13 is: 2,001.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.89 : 5,898.37 = 1,334.13 : x
  2. Step 2: Convert to fraction form
    3,931.89/5,898.37 = 1,334.13/x
  3. Step 3: Cross multiply
    3,931.89x = 5,898.37 × 1,334.13
  4. Step 4: Simplify right side
    3,931.89x = 7,869,192.37
  5. Step 5: Solve for x
    x = 7,869,192.37/3,931.89
  6. Step 6: Final answer
    x = 2,001.38

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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.