Home / 1,816.15-2,724.23-1,490.84

Finding the Fourth Proportional to 1,816.15, 2,724.23 and 1,490.84

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Solution

The fourth proportional to 1,816.15, 2,724.23 and 1,490.84 is: 2,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.15 : 2,724.23 = 1,490.84 : x
  2. Step 2: Convert to fraction form
    1,816.15/2,724.23 = 1,490.84/x
  3. Step 3: Cross multiply
    1,816.15x = 2,724.23 × 1,490.84
  4. Step 4: Simplify right side
    1,816.15x = 4,061,369.98
  5. Step 5: Solve for x
    x = 4,061,369.98/1,816.15
  6. Step 6: Final answer
    x = 2,236.25

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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.