Home / 3,002.39-4,503.27-1,420.73

Finding the Fourth Proportional to 3,002.39, 4,503.27 and 1,420.73

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Solution

The fourth proportional to 3,002.39, 4,503.27 and 1,420.73 is: 2,130.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.39 : 4,503.27 = 1,420.73 : x
  2. Step 2: Convert to fraction form
    3,002.39/4,503.27 = 1,420.73/x
  3. Step 3: Cross multiply
    3,002.39x = 4,503.27 × 1,420.73
  4. Step 4: Simplify right side
    3,002.39x = 6,397,930.79
  5. Step 5: Solve for x
    x = 6,397,930.79/3,002.39
  6. Step 6: Final answer
    x = 2,130.95

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1.5x scale

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.