Home / 3,916.34-5,872.19-2,600.81

Finding the Fourth Proportional to 3,916.34, 5,872.19 and 2,600.81

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Solution

The fourth proportional to 3,916.34, 5,872.19 and 2,600.81 is: 3,899.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.34 : 5,872.19 = 2,600.81 : x
  2. Step 2: Convert to fraction form
    3,916.34/5,872.19 = 2,600.81/x
  3. Step 3: Cross multiply
    3,916.34x = 5,872.19 × 2,600.81
  4. Step 4: Simplify right side
    3,916.34x = 15,272,427.61
  5. Step 5: Solve for x
    x = 15,272,427.61/3,916.34
  6. Step 6: Final answer
    x = 3,899.67

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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.