Home / 3,587.61-4,950.96-2,171.31

Finding the Fourth Proportional to 3,587.61, 4,950.96 and 2,171.31

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Solution

The fourth proportional to 3,587.61, 4,950.96 and 2,171.31 is: 2,996.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.61 : 4,950.96 = 2,171.31 : x
  2. Step 2: Convert to fraction form
    3,587.61/4,950.96 = 2,171.31/x
  3. Step 3: Cross multiply
    3,587.61x = 4,950.96 × 2,171.31
  4. Step 4: Simplify right side
    3,587.61x = 10,750,068.96
  5. Step 5: Solve for x
    x = 10,750,068.96/3,587.61
  6. Step 6: Final answer
    x = 2,996.44

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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.