Home / 2,334.78-3,218.60-1,670.48

Finding the Fourth Proportional to 2,334.78, 3,218.60 and 1,670.48

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Solution

The fourth proportional to 2,334.78, 3,218.60 and 1,670.48 is: 2,302.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.78 : 3,218.60 = 1,670.48 : x
  2. Step 2: Convert to fraction form
    2,334.78/3,218.60 = 1,670.48/x
  3. Step 3: Cross multiply
    2,334.78x = 3,218.60 × 1,670.48
  4. Step 4: Simplify right side
    2,334.78x = 5,376,606.93
  5. Step 5: Solve for x
    x = 5,376,606.93/2,334.78
  6. Step 6: Final answer
    x = 2,302.83

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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.