Home / 2,855.36-4,283.40-1,007.57

Finding the Fourth Proportional to 2,855.36, 4,283.40 and 1,007.57

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Solution

The fourth proportional to 2,855.36, 4,283.40 and 1,007.57 is: 1,511.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855.36 : 4,283.40 = 1,007.57 : x
  2. Step 2: Convert to fraction form
    2,855.36/4,283.40 = 1,007.57/x
  3. Step 3: Cross multiply
    2,855.36x = 4,283.40 × 1,007.57
  4. Step 4: Simplify right side
    2,855.36x = 4,315,825.34
  5. Step 5: Solve for x
    x = 4,315,825.34/2,855.36
  6. Step 6: Final answer
    x = 1,511.48

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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.