Home / 2,704.78-4,058.34-1,319.32

Finding the Fourth Proportional to 2,704.78, 4,058.34 and 1,319.32

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Solution

The fourth proportional to 2,704.78, 4,058.34 and 1,319.32 is: 1,979.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.78 : 4,058.34 = 1,319.32 : x
  2. Step 2: Convert to fraction form
    2,704.78/4,058.34 = 1,319.32/x
  3. Step 3: Cross multiply
    2,704.78x = 4,058.34 × 1,319.32
  4. Step 4: Simplify right side
    2,704.78x = 5,354,249.13
  5. Step 5: Solve for x
    x = 5,354,249.13/2,704.78
  6. Step 6: Final answer
    x = 1,979.55

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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.