Home / 3,074.48-4,614.47-1,431.95

Finding the Fourth Proportional to 3,074.48, 4,614.47 and 1,431.95

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Solution

The fourth proportional to 3,074.48, 4,614.47 and 1,431.95 is: 2,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.48 : 4,614.47 = 1,431.95 : x
  2. Step 2: Convert to fraction form
    3,074.48/4,614.47 = 1,431.95/x
  3. Step 3: Cross multiply
    3,074.48x = 4,614.47 × 1,431.95
  4. Step 4: Simplify right side
    3,074.48x = 6,607,704.39
  5. Step 5: Solve for x
    x = 6,607,704.39/3,074.48
  6. Step 6: Final answer
    x = 2,149.21

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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.