Home / 3,521.42-4,859.69-2,682.75

Finding the Fourth Proportional to 3,521.42, 4,859.69 and 2,682.75

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Solution

The fourth proportional to 3,521.42, 4,859.69 and 2,682.75 is: 3,702.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.42 : 4,859.69 = 2,682.75 : x
  2. Step 2: Convert to fraction form
    3,521.42/4,859.69 = 2,682.75/x
  3. Step 3: Cross multiply
    3,521.42x = 4,859.69 × 2,682.75
  4. Step 4: Simplify right side
    3,521.42x = 13,037,333.35
  5. Step 5: Solve for x
    x = 13,037,333.35/3,521.42
  6. Step 6: Final answer
    x = 3,702.29

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Half scale
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Double scale
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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.