Home / 3,801.12-5,701.68-1,491.36

Finding the Fourth Proportional to 3,801.12, 5,701.68 and 1,491.36

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Solution

The fourth proportional to 3,801.12, 5,701.68 and 1,491.36 is: 2,237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.12 : 5,701.68 = 1,491.36 : x
  2. Step 2: Convert to fraction form
    3,801.12/5,701.68 = 1,491.36/x
  3. Step 3: Cross multiply
    3,801.12x = 5,701.68 × 1,491.36
  4. Step 4: Simplify right side
    3,801.12x = 8,503,257.48
  5. Step 5: Solve for x
    x = 8,503,257.48/3,801.12
  6. Step 6: Final answer
    x = 2,237.04

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1.5x scale

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.