Home / 2,481.18-3,419.77-2,364.40

Finding the Fourth Proportional to 2,481.18, 3,419.77 and 2,364.40

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Solution

The fourth proportional to 2,481.18, 3,419.77 and 2,364.40 is: 3,258.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.18 : 3,419.77 = 2,364.40 : x
  2. Step 2: Convert to fraction form
    2,481.18/3,419.77 = 2,364.40/x
  3. Step 3: Cross multiply
    2,481.18x = 3,419.77 × 2,364.40
  4. Step 4: Simplify right side
    2,481.18x = 8,085,704.19
  5. Step 5: Solve for x
    x = 8,085,704.19/2,481.18
  6. Step 6: Final answer
    x = 3,258.81

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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.