Home / 3,587.20-5,376.96-2,560.64

Finding the Fourth Proportional to 3,587.20, 5,376.96 and 2,560.64

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Solution

The fourth proportional to 3,587.20, 5,376.96 and 2,560.64 is: 3,838.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.20 : 5,376.96 = 2,560.64 : x
  2. Step 2: Convert to fraction form
    3,587.20/5,376.96 = 2,560.64/x
  3. Step 3: Cross multiply
    3,587.20x = 5,376.96 × 2,560.64
  4. Step 4: Simplify right side
    3,587.20x = 13,768,458.85
  5. Step 5: Solve for x
    x = 13,768,458.85/3,587.20
  6. Step 6: Final answer
    x = 3,838.22

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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.