Home / 2,617.85-3,926.36-1,699.92

Finding the Fourth Proportional to 2,617.85, 3,926.36 and 1,699.92

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Solution

The fourth proportional to 2,617.85, 3,926.36 and 1,699.92 is: 2,549.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.85 : 3,926.36 = 1,699.92 : x
  2. Step 2: Convert to fraction form
    2,617.85/3,926.36 = 1,699.92/x
  3. Step 3: Cross multiply
    2,617.85x = 3,926.36 × 1,699.92
  4. Step 4: Simplify right side
    2,617.85x = 6,674,497.89
  5. Step 5: Solve for x
    x = 6,674,497.89/2,617.85
  6. Step 6: Final answer
    x = 2,549.61

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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.