Home / 3,913.74-5,861.49-1,935.72

Finding the Fourth Proportional to 3,913.74, 5,861.49 and 1,935.72

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Solution

The fourth proportional to 3,913.74, 5,861.49 and 1,935.72 is: 2,899.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.74 : 5,861.49 = 1,935.72 : x
  2. Step 2: Convert to fraction form
    3,913.74/5,861.49 = 1,935.72/x
  3. Step 3: Cross multiply
    3,913.74x = 5,861.49 × 1,935.72
  4. Step 4: Simplify right side
    3,913.74x = 11,346,203.42
  5. Step 5: Solve for x
    x = 11,346,203.42/3,913.74
  6. Step 6: Final answer
    x = 2,899.07

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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.