Home / 3,718.44-5,578.48-1,253.18

Finding the Fourth Proportional to 3,718.44, 5,578.48 and 1,253.18

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Solution

The fourth proportional to 3,718.44, 5,578.48 and 1,253.18 is: 1,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.44 : 5,578.48 = 1,253.18 : x
  2. Step 2: Convert to fraction form
    3,718.44/5,578.48 = 1,253.18/x
  3. Step 3: Cross multiply
    3,718.44x = 5,578.48 × 1,253.18
  4. Step 4: Simplify right side
    3,718.44x = 6,990,839.57
  5. Step 5: Solve for x
    x = 6,990,839.57/3,718.44
  6. Step 6: Final answer
    x = 1,880.05

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1.5x scale

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.