Home / 3,111.53-4,667.29-1,651.37

Finding the Fourth Proportional to 3,111.53, 4,667.29 and 1,651.37

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Solution

The fourth proportional to 3,111.53, 4,667.29 and 1,651.37 is: 2,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.53 : 4,667.29 = 1,651.37 : x
  2. Step 2: Convert to fraction form
    3,111.53/4,667.29 = 1,651.37/x
  3. Step 3: Cross multiply
    3,111.53x = 4,667.29 × 1,651.37
  4. Step 4: Simplify right side
    3,111.53x = 7,707,395.22
  5. Step 5: Solve for x
    x = 7,707,395.22/3,111.53
  6. Step 6: Final answer
    x = 2,477.05

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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.