Home / 3,916.95-5,873.28-1,806.30

Finding the Fourth Proportional to 3,916.95, 5,873.28 and 1,806.30

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Solution

The fourth proportional to 3,916.95, 5,873.28 and 1,806.30 is: 2,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.95 : 5,873.28 = 1,806.30 : x
  2. Step 2: Convert to fraction form
    3,916.95/5,873.28 = 1,806.30/x
  3. Step 3: Cross multiply
    3,916.95x = 5,873.28 × 1,806.30
  4. Step 4: Simplify right side
    3,916.95x = 10,608,905.66
  5. Step 5: Solve for x
    x = 10,608,905.66/3,916.95
  6. Step 6: Final answer
    x = 2,708.46

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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.