Home / 2,216.07-3,324.52-917.64

Finding the Fourth Proportional to 2,216.07, 3,324.52 and 917.64

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Solution

The fourth proportional to 2,216.07, 3,324.52 and 917.64 is: 1,376.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.07 : 3,324.52 = 917.64 : x
  2. Step 2: Convert to fraction form
    2,216.07/3,324.52 = 917.64/x
  3. Step 3: Cross multiply
    2,216.07x = 3,324.52 × 917.64
  4. Step 4: Simplify right side
    2,216.07x = 3,050,712.53
  5. Step 5: Solve for x
    x = 3,050,712.53/2,216.07
  6. Step 6: Final answer
    x = 1,376.63

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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.