Home / 3,051.33-4,578.81-2,807.11

Finding the Fourth Proportional to 3,051.33, 4,578.81 and 2,807.11

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Solution

The fourth proportional to 3,051.33, 4,578.81 and 2,807.11 is: 4,212.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.33 : 4,578.81 = 2,807.11 : x
  2. Step 2: Convert to fraction form
    3,051.33/4,578.81 = 2,807.11/x
  3. Step 3: Cross multiply
    3,051.33x = 4,578.81 × 2,807.11
  4. Step 4: Simplify right side
    3,051.33x = 12,853,223.34
  5. Step 5: Solve for x
    x = 12,853,223.34/3,051.33
  6. Step 6: Final answer
    x = 4,212.33

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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.