Home / 3,587.32-5,375.58-2,125

Finding the Fourth Proportional to 3,587.32, 5,375.58 and 2,125

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Solution

The fourth proportional to 3,587.32, 5,375.58 and 2,125 is: 3,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.32 : 5,375.58 = 2,125 : x
  2. Step 2: Convert to fraction form
    3,587.32/5,375.58 = 2,125/x
  3. Step 3: Cross multiply
    3,587.32x = 5,375.58 × 2,125
  4. Step 4: Simplify right side
    3,587.32x = 11,423,107.50
  5. Step 5: Solve for x
    x = 11,423,107.50/3,587.32
  6. Step 6: Final answer
    x = 3,184.30

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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.