Home / 2,935.47-4,049.40-1,816.05

Finding the Fourth Proportional to 2,935.47, 4,049.40 and 1,816.05

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Solution

The fourth proportional to 2,935.47, 4,049.40 and 1,816.05 is: 2,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.47 : 4,049.40 = 1,816.05 : x
  2. Step 2: Convert to fraction form
    2,935.47/4,049.40 = 1,816.05/x
  3. Step 3: Cross multiply
    2,935.47x = 4,049.40 × 1,816.05
  4. Step 4: Simplify right side
    2,935.47x = 7,353,912.87
  5. Step 5: Solve for x
    x = 7,353,912.87/2,935.47
  6. Step 6: Final answer
    x = 2,505.19

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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.