Home / 2,216.13-3,324.60-916.89

Finding the Fourth Proportional to 2,216.13, 3,324.60 and 916.89

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Solution

The fourth proportional to 2,216.13, 3,324.60 and 916.89 is: 1,375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.13 : 3,324.60 = 916.89 : x
  2. Step 2: Convert to fraction form
    2,216.13/3,324.60 = 916.89/x
  3. Step 3: Cross multiply
    2,216.13x = 3,324.60 × 916.89
  4. Step 4: Simplify right side
    2,216.13x = 3,048,292.49
  5. Step 5: Solve for x
    x = 3,048,292.49/2,216.13
  6. Step 6: Final answer
    x = 1,375.50

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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.