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Finding the Fourth Proportional to 2,314.13, 3,470.48 and 670.79

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Solution

The fourth proportional to 2,314.13, 3,470.48 and 670.79 is: 1,005.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.13 : 3,470.48 = 670.79 : x
  2. Step 2: Convert to fraction form
    2,314.13/3,470.48 = 670.79/x
  3. Step 3: Cross multiply
    2,314.13x = 3,470.48 × 670.79
  4. Step 4: Simplify right side
    2,314.13x = 2,327,959.93
  5. Step 5: Solve for x
    x = 2,327,959.93/2,314.13
  6. Step 6: Final answer
    x = 1,005.98

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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.