Home / 3,948.37-5,923.13-1,315.01

Finding the Fourth Proportional to 3,948.37, 5,923.13 and 1,315.01

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Solution

The fourth proportional to 3,948.37, 5,923.13 and 1,315.01 is: 1,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.37 : 5,923.13 = 1,315.01 : x
  2. Step 2: Convert to fraction form
    3,948.37/5,923.13 = 1,315.01/x
  3. Step 3: Cross multiply
    3,948.37x = 5,923.13 × 1,315.01
  4. Step 4: Simplify right side
    3,948.37x = 7,788,978.47
  5. Step 5: Solve for x
    x = 7,788,978.47/3,948.37
  6. Step 6: Final answer
    x = 1,972.71

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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.