Home / 3,921.95-5,884.07-1,580.75

Finding the Fourth Proportional to 3,921.95, 5,884.07 and 1,580.75

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Solution

The fourth proportional to 3,921.95, 5,884.07 and 1,580.75 is: 2,371.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.95 : 5,884.07 = 1,580.75 : x
  2. Step 2: Convert to fraction form
    3,921.95/5,884.07 = 1,580.75/x
  3. Step 3: Cross multiply
    3,921.95x = 5,884.07 × 1,580.75
  4. Step 4: Simplify right side
    3,921.95x = 9,301,243.65
  5. Step 5: Solve for x
    x = 9,301,243.65/3,921.95
  6. Step 6: Final answer
    x = 2,371.59

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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.