Home / 2,183.47-3,013.03-1,239.43

Finding the Fourth Proportional to 2,183.47, 3,013.03 and 1,239.43

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Solution

The fourth proportional to 2,183.47, 3,013.03 and 1,239.43 is: 1,710.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.47 : 3,013.03 = 1,239.43 : x
  2. Step 2: Convert to fraction form
    2,183.47/3,013.03 = 1,239.43/x
  3. Step 3: Cross multiply
    2,183.47x = 3,013.03 × 1,239.43
  4. Step 4: Simplify right side
    2,183.47x = 3,734,439.77
  5. Step 5: Solve for x
    x = 3,734,439.77/2,183.47
  6. Step 6: Final answer
    x = 1,710.32

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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.