Home / 3,590.44-5,385.66-3,175.72

Finding the Fourth Proportional to 3,590.44, 5,385.66 and 3,175.72

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Solution

The fourth proportional to 3,590.44, 5,385.66 and 3,175.72 is: 4,763.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.44 : 5,385.66 = 3,175.72 : x
  2. Step 2: Convert to fraction form
    3,590.44/5,385.66 = 3,175.72/x
  3. Step 3: Cross multiply
    3,590.44x = 5,385.66 × 3,175.72
  4. Step 4: Simplify right side
    3,590.44x = 17,103,348.18
  5. Step 5: Solve for x
    x = 17,103,348.18/3,590.44
  6. Step 6: Final answer
    x = 4,763.58

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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.