Home / 3,718.88-5,575.59-1,772.45

Finding the Fourth Proportional to 3,718.88, 5,575.59 and 1,772.45

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Solution

The fourth proportional to 3,718.88, 5,575.59 and 1,772.45 is: 2,657.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.88 : 5,575.59 = 1,772.45 : x
  2. Step 2: Convert to fraction form
    3,718.88/5,575.59 = 1,772.45/x
  3. Step 3: Cross multiply
    3,718.88x = 5,575.59 × 1,772.45
  4. Step 4: Simplify right side
    3,718.88x = 9,882,468.43
  5. Step 5: Solve for x
    x = 9,882,468.43/3,718.88
  6. Step 6: Final answer
    x = 2,657.38

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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.