Home / 4,052.28-6,078.90-1,418.98

Finding the Fourth Proportional to 4,052.28, 6,078.90 and 1,418.98

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Solution

The fourth proportional to 4,052.28, 6,078.90 and 1,418.98 is: 2,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,052.28 : 6,078.90 = 1,418.98 : x
  2. Step 2: Convert to fraction form
    4,052.28/6,078.90 = 1,418.98/x
  3. Step 3: Cross multiply
    4,052.28x = 6,078.90 × 1,418.98
  4. Step 4: Simplify right side
    4,052.28x = 8,625,837.52
  5. Step 5: Solve for x
    x = 8,625,837.52/4,052.28
  6. Step 6: Final answer
    x = 2,128.64

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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.