Home / 3,941.81-5,916.36-1,995.38

Finding the Fourth Proportional to 3,941.81, 5,916.36 and 1,995.38

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Solution

The fourth proportional to 3,941.81, 5,916.36 and 1,995.38 is: 2,994.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.81 : 5,916.36 = 1,995.38 : x
  2. Step 2: Convert to fraction form
    3,941.81/5,916.36 = 1,995.38/x
  3. Step 3: Cross multiply
    3,941.81x = 5,916.36 × 1,995.38
  4. Step 4: Simplify right side
    3,941.81x = 11,805,386.42
  5. Step 5: Solve for x
    x = 11,805,386.42/3,941.81
  6. Step 6: Final answer
    x = 2,994.92

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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.