Home / 3,501.90-5,252.70-1,310.64

Finding the Fourth Proportional to 3,501.90, 5,252.70 and 1,310.64

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Solution

The fourth proportional to 3,501.90, 5,252.70 and 1,310.64 is: 1,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.90 : 5,252.70 = 1,310.64 : x
  2. Step 2: Convert to fraction form
    3,501.90/5,252.70 = 1,310.64/x
  3. Step 3: Cross multiply
    3,501.90x = 5,252.70 × 1,310.64
  4. Step 4: Simplify right side
    3,501.90x = 6,884,398.73
  5. Step 5: Solve for x
    x = 6,884,398.73/3,501.90
  6. Step 6: Final answer
    x = 1,965.90

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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.