Home / 2,549.93-3,816.68-1,315.64

Finding the Fourth Proportional to 2,549.93, 3,816.68 and 1,315.64

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Solution

The fourth proportional to 2,549.93, 3,816.68 and 1,315.64 is: 1,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.93 : 3,816.68 = 1,315.64 : x
  2. Step 2: Convert to fraction form
    2,549.93/3,816.68 = 1,315.64/x
  3. Step 3: Cross multiply
    2,549.93x = 3,816.68 × 1,315.64
  4. Step 4: Simplify right side
    2,549.93x = 5,021,376.88
  5. Step 5: Solve for x
    x = 5,021,376.88/2,549.93
  6. Step 6: Final answer
    x = 1,969.22

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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.