Home / 3,315.94-4,975.53-2,540.87

Finding the Fourth Proportional to 3,315.94, 4,975.53 and 2,540.87

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Solution

The fourth proportional to 3,315.94, 4,975.53 and 2,540.87 is: 3,812.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.94 : 4,975.53 = 2,540.87 : x
  2. Step 2: Convert to fraction form
    3,315.94/4,975.53 = 2,540.87/x
  3. Step 3: Cross multiply
    3,315.94x = 4,975.53 × 2,540.87
  4. Step 4: Simplify right side
    3,315.94x = 12,642,159.16
  5. Step 5: Solve for x
    x = 12,642,159.16/3,315.94
  6. Step 6: Final answer
    x = 3,812.54

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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.