Home / 3,905.16-5,857.38-2,256.54

Finding the Fourth Proportional to 3,905.16, 5,857.38 and 2,256.54

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Solution

The fourth proportional to 3,905.16, 5,857.38 and 2,256.54 is: 3,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.16 : 5,857.38 = 2,256.54 : x
  2. Step 2: Convert to fraction form
    3,905.16/5,857.38 = 2,256.54/x
  3. Step 3: Cross multiply
    3,905.16x = 5,857.38 × 2,256.54
  4. Step 4: Simplify right side
    3,905.16x = 13,217,412.27
  5. Step 5: Solve for x
    x = 13,217,412.27/3,905.16
  6. Step 6: Final answer
    x = 3,384.60

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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.