Home / 3,154.14-4,727.77-1,205.89

Finding the Fourth Proportional to 3,154.14, 4,727.77 and 1,205.89

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Solution

The fourth proportional to 3,154.14, 4,727.77 and 1,205.89 is: 1,807.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.14 : 4,727.77 = 1,205.89 : x
  2. Step 2: Convert to fraction form
    3,154.14/4,727.77 = 1,205.89/x
  3. Step 3: Cross multiply
    3,154.14x = 4,727.77 × 1,205.89
  4. Step 4: Simplify right side
    3,154.14x = 5,701,155.73
  5. Step 5: Solve for x
    x = 5,701,155.73/3,154.14
  6. Step 6: Final answer
    x = 1,807.52

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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.