Home / 2,568.90-3,856.66-1,337.16

Finding the Fourth Proportional to 2,568.90, 3,856.66 and 1,337.16

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Solution

The fourth proportional to 2,568.90, 3,856.66 and 1,337.16 is: 2,007.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.90 : 3,856.66 = 1,337.16 : x
  2. Step 2: Convert to fraction form
    2,568.90/3,856.66 = 1,337.16/x
  3. Step 3: Cross multiply
    2,568.90x = 3,856.66 × 1,337.16
  4. Step 4: Simplify right side
    2,568.90x = 5,156,971.49
  5. Step 5: Solve for x
    x = 5,156,971.49/2,568.90
  6. Step 6: Final answer
    x = 2,007.46

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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.