Home / 3,312.90-4,571.55-1,896.27

Finding the Fourth Proportional to 3,312.90, 4,571.55 and 1,896.27

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Solution

The fourth proportional to 3,312.90, 4,571.55 and 1,896.27 is: 2,616.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.90 : 4,571.55 = 1,896.27 : x
  2. Step 2: Convert to fraction form
    3,312.90/4,571.55 = 1,896.27/x
  3. Step 3: Cross multiply
    3,312.90x = 4,571.55 × 1,896.27
  4. Step 4: Simplify right side
    3,312.90x = 8,668,893.12
  5. Step 5: Solve for x
    x = 8,668,893.12/3,312.90
  6. Step 6: Final answer
    x = 2,616.71

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1.5x scale

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.