Home / 3,255.06-4,491.75-1,838.31

Finding the Fourth Proportional to 3,255.06, 4,491.75 and 1,838.31

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Solution

The fourth proportional to 3,255.06, 4,491.75 and 1,838.31 is: 2,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.06 : 4,491.75 = 1,838.31 : x
  2. Step 2: Convert to fraction form
    3,255.06/4,491.75 = 1,838.31/x
  3. Step 3: Cross multiply
    3,255.06x = 4,491.75 × 1,838.31
  4. Step 4: Simplify right side
    3,255.06x = 8,257,228.94
  5. Step 5: Solve for x
    x = 8,257,228.94/3,255.06
  6. Step 6: Final answer
    x = 2,536.74

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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.