Home / 2,977.89-4,466.83-1,005.74

Finding the Fourth Proportional to 2,977.89, 4,466.83 and 1,005.74

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Solution

The fourth proportional to 2,977.89, 4,466.83 and 1,005.74 is: 1,508.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.89 : 4,466.83 = 1,005.74 : x
  2. Step 2: Convert to fraction form
    2,977.89/4,466.83 = 1,005.74/x
  3. Step 3: Cross multiply
    2,977.89x = 4,466.83 × 1,005.74
  4. Step 4: Simplify right side
    2,977.89x = 4,492,469.60
  5. Step 5: Solve for x
    x = 4,492,469.60/2,977.89
  6. Step 6: Final answer
    x = 1,508.61

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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.