Home / 3,671.36-5,505.86-1,205.62

Finding the Fourth Proportional to 3,671.36, 5,505.86 and 1,205.62

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Solution

The fourth proportional to 3,671.36, 5,505.86 and 1,205.62 is: 1,808.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.36 : 5,505.86 = 1,205.62 : x
  2. Step 2: Convert to fraction form
    3,671.36/5,505.86 = 1,205.62/x
  3. Step 3: Cross multiply
    3,671.36x = 5,505.86 × 1,205.62
  4. Step 4: Simplify right side
    3,671.36x = 6,637,974.93
  5. Step 5: Solve for x
    x = 6,637,974.93/3,671.36
  6. Step 6: Final answer
    x = 1,808.04

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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.