Home / 2,564.10-3,847.95-1,396.47

Finding the Fourth Proportional to 2,564.10, 3,847.95 and 1,396.47

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Solution

The fourth proportional to 2,564.10, 3,847.95 and 1,396.47 is: 2,095.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.10 : 3,847.95 = 1,396.47 : x
  2. Step 2: Convert to fraction form
    2,564.10/3,847.95 = 1,396.47/x
  3. Step 3: Cross multiply
    2,564.10x = 3,847.95 × 1,396.47
  4. Step 4: Simplify right side
    2,564.10x = 5,373,546.74
  5. Step 5: Solve for x
    x = 5,373,546.74/2,564.10
  6. Step 6: Final answer
    x = 2,095.69

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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.