Home / 3,718.20-5,575.16-1,528.44

Finding the Fourth Proportional to 3,718.20, 5,575.16 and 1,528.44

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Solution

The fourth proportional to 3,718.20, 5,575.16 and 1,528.44 is: 2,291.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.20 : 5,575.16 = 1,528.44 : x
  2. Step 2: Convert to fraction form
    3,718.20/5,575.16 = 1,528.44/x
  3. Step 3: Cross multiply
    3,718.20x = 5,575.16 × 1,528.44
  4. Step 4: Simplify right side
    3,718.20x = 8,521,297.55
  5. Step 5: Solve for x
    x = 8,521,297.55/3,718.20
  6. Step 6: Final answer
    x = 2,291.78

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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.