Home / 2,732.36-3,771.08-1,670.74

Finding the Fourth Proportional to 2,732.36, 3,771.08 and 1,670.74

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Solution

The fourth proportional to 2,732.36, 3,771.08 and 1,670.74 is: 2,305.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.36 : 3,771.08 = 1,670.74 : x
  2. Step 2: Convert to fraction form
    2,732.36/3,771.08 = 1,670.74/x
  3. Step 3: Cross multiply
    2,732.36x = 3,771.08 × 1,670.74
  4. Step 4: Simplify right side
    2,732.36x = 6,300,488.95
  5. Step 5: Solve for x
    x = 6,300,488.95/2,732.36
  6. Step 6: Final answer
    x = 2,305.88

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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.