Home / 2,384.27-3,291.81-1,943.22

Finding the Fourth Proportional to 2,384.27, 3,291.81 and 1,943.22

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Solution

The fourth proportional to 2,384.27, 3,291.81 and 1,943.22 is: 2,682.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.27 : 3,291.81 = 1,943.22 : x
  2. Step 2: Convert to fraction form
    2,384.27/3,291.81 = 1,943.22/x
  3. Step 3: Cross multiply
    2,384.27x = 3,291.81 × 1,943.22
  4. Step 4: Simplify right side
    2,384.27x = 6,396,711.03
  5. Step 5: Solve for x
    x = 6,396,711.03/2,384.27
  6. Step 6: Final answer
    x = 2,682.89

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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.