Home / 3,181.16-4,772.77-1,537.89

Finding the Fourth Proportional to 3,181.16, 4,772.77 and 1,537.89

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Solution

The fourth proportional to 3,181.16, 4,772.77 and 1,537.89 is: 2,307.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.16 : 4,772.77 = 1,537.89 : x
  2. Step 2: Convert to fraction form
    3,181.16/4,772.77 = 1,537.89/x
  3. Step 3: Cross multiply
    3,181.16x = 4,772.77 × 1,537.89
  4. Step 4: Simplify right side
    3,181.16x = 7,339,995.26
  5. Step 5: Solve for x
    x = 7,339,995.26/3,181.16
  6. Step 6: Final answer
    x = 2,307.33

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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.