Home / 3,615.93-4,991.67-2,291.45

Finding the Fourth Proportional to 3,615.93, 4,991.67 and 2,291.45

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Solution

The fourth proportional to 3,615.93, 4,991.67 and 2,291.45 is: 3,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.93 : 4,991.67 = 2,291.45 : x
  2. Step 2: Convert to fraction form
    3,615.93/4,991.67 = 2,291.45/x
  3. Step 3: Cross multiply
    3,615.93x = 4,991.67 × 2,291.45
  4. Step 4: Simplify right side
    3,615.93x = 11,438,137.26
  5. Step 5: Solve for x
    x = 11,438,137.26/3,615.93
  6. Step 6: Final answer
    x = 3,163.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.