Home / 2,216.09-3,325.50-1,292.06

Finding the Fourth Proportional to 2,216.09, 3,325.50 and 1,292.06

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Solution

The fourth proportional to 2,216.09, 3,325.50 and 1,292.06 is: 1,938.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.09 : 3,325.50 = 1,292.06 : x
  2. Step 2: Convert to fraction form
    2,216.09/3,325.50 = 1,292.06/x
  3. Step 3: Cross multiply
    2,216.09x = 3,325.50 × 1,292.06
  4. Step 4: Simplify right side
    2,216.09x = 4,296,745.53
  5. Step 5: Solve for x
    x = 4,296,745.53/2,216.09
  6. Step 6: Final answer
    x = 1,938.89

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1.5x scale

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.