Home / 3,916.38-5,873.34-1,283.28

Finding the Fourth Proportional to 3,916.38, 5,873.34 and 1,283.28

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Solution

The fourth proportional to 3,916.38, 5,873.34 and 1,283.28 is: 1,924.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.38 : 5,873.34 = 1,283.28 : x
  2. Step 2: Convert to fraction form
    3,916.38/5,873.34 = 1,283.28/x
  3. Step 3: Cross multiply
    3,916.38x = 5,873.34 × 1,283.28
  4. Step 4: Simplify right side
    3,916.38x = 7,537,139.76
  5. Step 5: Solve for x
    x = 7,537,139.76/3,916.38
  6. Step 6: Final answer
    x = 1,924.52

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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.