Home / 2,732.21-4,097.36-1,690.62

Finding the Fourth Proportional to 2,732.21, 4,097.36 and 1,690.62

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Solution

The fourth proportional to 2,732.21, 4,097.36 and 1,690.62 is: 2,535.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.21 : 4,097.36 = 1,690.62 : x
  2. Step 2: Convert to fraction form
    2,732.21/4,097.36 = 1,690.62/x
  3. Step 3: Cross multiply
    2,732.21x = 4,097.36 × 1,690.62
  4. Step 4: Simplify right side
    2,732.21x = 6,927,058.28
  5. Step 5: Solve for x
    x = 6,927,058.28/2,732.21
  6. Step 6: Final answer
    x = 2,535.34

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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.