Home / 3,255.36-4,491.72-1,857.84

Finding the Fourth Proportional to 3,255.36, 4,491.72 and 1,857.84

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Solution

The fourth proportional to 3,255.36, 4,491.72 and 1,857.84 is: 2,563.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.36 : 4,491.72 = 1,857.84 : x
  2. Step 2: Convert to fraction form
    3,255.36/4,491.72 = 1,857.84/x
  3. Step 3: Cross multiply
    3,255.36x = 4,491.72 × 1,857.84
  4. Step 4: Simplify right side
    3,255.36x = 8,344,897.08
  5. Step 5: Solve for x
    x = 8,344,897.08/3,255.36
  6. Step 6: Final answer
    x = 2,563.43

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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.