Home / 3,018.81-4,529.49-1,264.15

Finding the Fourth Proportional to 3,018.81, 4,529.49 and 1,264.15

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Solution

The fourth proportional to 3,018.81, 4,529.49 and 1,264.15 is: 1,896.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.81 : 4,529.49 = 1,264.15 : x
  2. Step 2: Convert to fraction form
    3,018.81/4,529.49 = 1,264.15/x
  3. Step 3: Cross multiply
    3,018.81x = 4,529.49 × 1,264.15
  4. Step 4: Simplify right side
    3,018.81x = 5,725,954.78
  5. Step 5: Solve for x
    x = 5,725,954.78/3,018.81
  6. Step 6: Final answer
    x = 1,896.76

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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.