Home / 2,704.07-4,058.67-1,318.16

Finding the Fourth Proportional to 2,704.07, 4,058.67 and 1,318.16

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Solution

The fourth proportional to 2,704.07, 4,058.67 and 1,318.16 is: 1,978.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.07 : 4,058.67 = 1,318.16 : x
  2. Step 2: Convert to fraction form
    2,704.07/4,058.67 = 1,318.16/x
  3. Step 3: Cross multiply
    2,704.07x = 4,058.67 × 1,318.16
  4. Step 4: Simplify right side
    2,704.07x = 5,349,956.15
  5. Step 5: Solve for x
    x = 5,349,956.15/2,704.07
  6. Step 6: Final answer
    x = 1,978.49

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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.