Home / 3,718.43-5,578.47-1,253.27

Finding the Fourth Proportional to 3,718.43, 5,578.47 and 1,253.27

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Solution

The fourth proportional to 3,718.43, 5,578.47 and 1,253.27 is: 1,880.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.43 : 5,578.47 = 1,253.27 : x
  2. Step 2: Convert to fraction form
    3,718.43/5,578.47 = 1,253.27/x
  3. Step 3: Cross multiply
    3,718.43x = 5,578.47 × 1,253.27
  4. Step 4: Simplify right side
    3,718.43x = 6,991,329.10
  5. Step 5: Solve for x
    x = 6,991,329.10/3,718.43
  6. Step 6: Final answer
    x = 1,880.18

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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.