Home / 2,807.51-4,205.97-1,245.83

Finding the Fourth Proportional to 2,807.51, 4,205.97 and 1,245.83

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Solution

The fourth proportional to 2,807.51, 4,205.97 and 1,245.83 is: 1,866.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.51 : 4,205.97 = 1,245.83 : x
  2. Step 2: Convert to fraction form
    2,807.51/4,205.97 = 1,245.83/x
  3. Step 3: Cross multiply
    2,807.51x = 4,205.97 × 1,245.83
  4. Step 4: Simplify right side
    2,807.51x = 5,239,902.58
  5. Step 5: Solve for x
    x = 5,239,902.58/2,807.51
  6. Step 6: Final answer
    x = 1,866.39

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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.