Home / 2,183.79-3,013.91-1,300.08

Finding the Fourth Proportional to 2,183.79, 3,013.91 and 1,300.08

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Solution

The fourth proportional to 2,183.79, 3,013.91 and 1,300.08 is: 1,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.79 : 3,013.91 = 1,300.08 : x
  2. Step 2: Convert to fraction form
    2,183.79/3,013.91 = 1,300.08/x
  3. Step 3: Cross multiply
    2,183.79x = 3,013.91 × 1,300.08
  4. Step 4: Simplify right side
    2,183.79x = 3,918,324.11
  5. Step 5: Solve for x
    x = 3,918,324.11/2,183.79
  6. Step 6: Final answer
    x = 1,794.28

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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.