Home / 3,985.62-5,501.43-2,588.64

Finding the Fourth Proportional to 3,985.62, 5,501.43 and 2,588.64

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Solution

The fourth proportional to 3,985.62, 5,501.43 and 2,588.64 is: 3,573.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.62 : 5,501.43 = 2,588.64 : x
  2. Step 2: Convert to fraction form
    3,985.62/5,501.43 = 2,588.64/x
  3. Step 3: Cross multiply
    3,985.62x = 5,501.43 × 2,588.64
  4. Step 4: Simplify right side
    3,985.62x = 14,241,221.76
  5. Step 5: Solve for x
    x = 14,241,221.76/3,985.62
  6. Step 6: Final answer
    x = 3,573.15

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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.