Home / 2,772.43-4,154.96-1,015.81

Finding the Fourth Proportional to 2,772.43, 4,154.96 and 1,015.81

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Solution

The fourth proportional to 2,772.43, 4,154.96 and 1,015.81 is: 1,522.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.43 : 4,154.96 = 1,015.81 : x
  2. Step 2: Convert to fraction form
    2,772.43/4,154.96 = 1,015.81/x
  3. Step 3: Cross multiply
    2,772.43x = 4,154.96 × 1,015.81
  4. Step 4: Simplify right side
    2,772.43x = 4,220,642.07
  5. Step 5: Solve for x
    x = 4,220,642.07/2,772.43
  6. Step 6: Final answer
    x = 1,522.36

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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.