Home / 3,555.62-4,909.18-2,299.72

Finding the Fourth Proportional to 3,555.62, 4,909.18 and 2,299.72

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Solution

The fourth proportional to 3,555.62, 4,909.18 and 2,299.72 is: 3,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.62 : 4,909.18 = 2,299.72 : x
  2. Step 2: Convert to fraction form
    3,555.62/4,909.18 = 2,299.72/x
  3. Step 3: Cross multiply
    3,555.62x = 4,909.18 × 2,299.72
  4. Step 4: Simplify right side
    3,555.62x = 11,289,714.88
  5. Step 5: Solve for x
    x = 11,289,714.88/3,555.62
  6. Step 6: Final answer
    x = 3,175.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.