Home / 3,000.32-4,495-2,176.55

Finding the Fourth Proportional to 3,000.32, 4,495 and 2,176.55

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Solution

The fourth proportional to 3,000.32, 4,495 and 2,176.55 is: 3,260.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.32 : 4,495 = 2,176.55 : x
  2. Step 2: Convert to fraction form
    3,000.32/4,495 = 2,176.55/x
  3. Step 3: Cross multiply
    3,000.32x = 4,495 × 2,176.55
  4. Step 4: Simplify right side
    3,000.32x = 9,783,592.25
  5. Step 5: Solve for x
    x = 9,783,592.25/3,000.32
  6. Step 6: Final answer
    x = 3,260.85

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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.