Home / 3,717.78-5,565.88-2,797.10

Finding the Fourth Proportional to 3,717.78, 5,565.88 and 2,797.10

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Solution

The fourth proportional to 3,717.78, 5,565.88 and 2,797.10 is: 4,187.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.78 : 5,565.88 = 2,797.10 : x
  2. Step 2: Convert to fraction form
    3,717.78/5,565.88 = 2,797.10/x
  3. Step 3: Cross multiply
    3,717.78x = 5,565.88 × 2,797.10
  4. Step 4: Simplify right side
    3,717.78x = 15,568,322.95
  5. Step 5: Solve for x
    x = 15,568,322.95/3,717.78
  6. Step 6: Final answer
    x = 4,187.53

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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.