Home / 3,671.43-5,507.72-1,205.69

Finding the Fourth Proportional to 3,671.43, 5,507.72 and 1,205.69

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Solution

The fourth proportional to 3,671.43, 5,507.72 and 1,205.69 is: 1,808.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.43 : 5,507.72 = 1,205.69 : x
  2. Step 2: Convert to fraction form
    3,671.43/5,507.72 = 1,205.69/x
  3. Step 3: Cross multiply
    3,671.43x = 5,507.72 × 1,205.69
  4. Step 4: Simplify right side
    3,671.43x = 6,640,605.94
  5. Step 5: Solve for x
    x = 6,640,605.94/3,671.43
  6. Step 6: Final answer
    x = 1,808.72

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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.