Home / 2,715.57-4,073.37-984.15

Finding the Fourth Proportional to 2,715.57, 4,073.37 and 984.15

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Solution

The fourth proportional to 2,715.57, 4,073.37 and 984.15 is: 1,476.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.57 : 4,073.37 = 984.15 : x
  2. Step 2: Convert to fraction form
    2,715.57/4,073.37 = 984.15/x
  3. Step 3: Cross multiply
    2,715.57x = 4,073.37 × 984.15
  4. Step 4: Simplify right side
    2,715.57x = 4,008,807.09
  5. Step 5: Solve for x
    x = 4,008,807.09/2,715.57
  6. Step 6: Final answer
    x = 1,476.23

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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.