Home / 3,555.42-5,335.56-2,515.38

Finding the Fourth Proportional to 3,555.42, 5,335.56 and 2,515.38

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Solution

The fourth proportional to 3,555.42, 5,335.56 and 2,515.38 is: 3,774.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.42 : 5,335.56 = 2,515.38 : x
  2. Step 2: Convert to fraction form
    3,555.42/5,335.56 = 2,515.38/x
  3. Step 3: Cross multiply
    3,555.42x = 5,335.56 × 2,515.38
  4. Step 4: Simplify right side
    3,555.42x = 13,420,960.91
  5. Step 5: Solve for x
    x = 13,420,960.91/3,555.42
  6. Step 6: Final answer
    x = 3,774.79

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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.