Home / 2,681.67-4,021.73-1,037.85

Finding the Fourth Proportional to 2,681.67, 4,021.73 and 1,037.85

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Solution

The fourth proportional to 2,681.67, 4,021.73 and 1,037.85 is: 1,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.67 : 4,021.73 = 1,037.85 : x
  2. Step 2: Convert to fraction form
    2,681.67/4,021.73 = 1,037.85/x
  3. Step 3: Cross multiply
    2,681.67x = 4,021.73 × 1,037.85
  4. Step 4: Simplify right side
    2,681.67x = 4,173,947.29
  5. Step 5: Solve for x
    x = 4,173,947.29/2,681.67
  6. Step 6: Final answer
    x = 1,556.47

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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.