Home / 3,290.72-4,541.01-1,874.57

Finding the Fourth Proportional to 3,290.72, 4,541.01 and 1,874.57

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Solution

The fourth proportional to 3,290.72, 4,541.01 and 1,874.57 is: 2,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.72 : 4,541.01 = 1,874.57 : x
  2. Step 2: Convert to fraction form
    3,290.72/4,541.01 = 1,874.57/x
  3. Step 3: Cross multiply
    3,290.72x = 4,541.01 × 1,874.57
  4. Step 4: Simplify right side
    3,290.72x = 8,512,441.12
  5. Step 5: Solve for x
    x = 8,512,441.12/3,290.72
  6. Step 6: Final answer
    x = 2,586.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.