Home / 1,670.34-2,304.30-1,081.07

Finding the Fourth Proportional to 1,670.34, 2,304.30 and 1,081.07

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Solution

The fourth proportional to 1,670.34, 2,304.30 and 1,081.07 is: 1,491.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.34 : 2,304.30 = 1,081.07 : x
  2. Step 2: Convert to fraction form
    1,670.34/2,304.30 = 1,081.07/x
  3. Step 3: Cross multiply
    1,670.34x = 2,304.30 × 1,081.07
  4. Step 4: Simplify right side
    1,670.34x = 2,491,098.08
  5. Step 5: Solve for x
    x = 2,491,098.08/1,670.34
  6. Step 6: Final answer
    x = 1,491.37

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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.