Home / 3,473.64-5,203.98-2,689.56

Finding the Fourth Proportional to 3,473.64, 5,203.98 and 2,689.56

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Solution

The fourth proportional to 3,473.64, 5,203.98 and 2,689.56 is: 4,029.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.64 : 5,203.98 = 2,689.56 : x
  2. Step 2: Convert to fraction form
    3,473.64/5,203.98 = 2,689.56/x
  3. Step 3: Cross multiply
    3,473.64x = 5,203.98 × 2,689.56
  4. Step 4: Simplify right side
    3,473.64x = 13,996,416.45
  5. Step 5: Solve for x
    x = 13,996,416.45/3,473.64
  6. Step 6: Final answer
    x = 4,029.32

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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.