Home / 2,983.92-4,476.36-1,423.20

Finding the Fourth Proportional to 2,983.92, 4,476.36 and 1,423.20

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Solution

The fourth proportional to 2,983.92, 4,476.36 and 1,423.20 is: 2,135.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.92 : 4,476.36 = 1,423.20 : x
  2. Step 2: Convert to fraction form
    2,983.92/4,476.36 = 1,423.20/x
  3. Step 3: Cross multiply
    2,983.92x = 4,476.36 × 1,423.20
  4. Step 4: Simplify right side
    2,983.92x = 6,370,755.55
  5. Step 5: Solve for x
    x = 6,370,755.55/2,983.92
  6. Step 6: Final answer
    x = 2,135.03

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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.