Home / 2,260.28-3,389.40-943.82

Finding the Fourth Proportional to 2,260.28, 3,389.40 and 943.82

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Solution

The fourth proportional to 2,260.28, 3,389.40 and 943.82 is: 1,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.28 : 3,389.40 = 943.82 : x
  2. Step 2: Convert to fraction form
    2,260.28/3,389.40 = 943.82/x
  3. Step 3: Cross multiply
    2,260.28x = 3,389.40 × 943.82
  4. Step 4: Simplify right side
    2,260.28x = 3,198,983.51
  5. Step 5: Solve for x
    x = 3,198,983.51/2,260.28
  6. Step 6: Final answer
    x = 1,415.30

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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.