Home / 2,612.47-3,918.93-1,052.41

Finding the Fourth Proportional to 2,612.47, 3,918.93 and 1,052.41

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Solution

The fourth proportional to 2,612.47, 3,918.93 and 1,052.41 is: 1,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.47 : 3,918.93 = 1,052.41 : x
  2. Step 2: Convert to fraction form
    2,612.47/3,918.93 = 1,052.41/x
  3. Step 3: Cross multiply
    2,612.47x = 3,918.93 × 1,052.41
  4. Step 4: Simplify right side
    2,612.47x = 4,124,321.12
  5. Step 5: Solve for x
    x = 4,124,321.12/2,612.47
  6. Step 6: Final answer
    x = 1,578.71

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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.