Home / 2,983.34-4,475.90-1,425.32

Finding the Fourth Proportional to 2,983.34, 4,475.90 and 1,425.32

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Solution

The fourth proportional to 2,983.34, 4,475.90 and 1,425.32 is: 2,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.34 : 4,475.90 = 1,425.32 : x
  2. Step 2: Convert to fraction form
    2,983.34/4,475.90 = 1,425.32/x
  3. Step 3: Cross multiply
    2,983.34x = 4,475.90 × 1,425.32
  4. Step 4: Simplify right side
    2,983.34x = 6,379,589.79
  5. Step 5: Solve for x
    x = 6,379,589.79/2,983.34
  6. Step 6: Final answer
    x = 2,138.41

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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.