Home / 2,183.04-3,269.64-1,256.40

Finding the Fourth Proportional to 2,183.04, 3,269.64 and 1,256.40

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Solution

The fourth proportional to 2,183.04, 3,269.64 and 1,256.40 is: 1,881.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.04 : 3,269.64 = 1,256.40 : x
  2. Step 2: Convert to fraction form
    2,183.04/3,269.64 = 1,256.40/x
  3. Step 3: Cross multiply
    2,183.04x = 3,269.64 × 1,256.40
  4. Step 4: Simplify right side
    2,183.04x = 4,107,975.70
  5. Step 5: Solve for x
    x = 4,107,975.70/2,183.04
  6. Step 6: Final answer
    x = 1,881.77

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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.