Home / 1,816.51-2,724.72-1,269.06

Finding the Fourth Proportional to 1,816.51, 2,724.72 and 1,269.06

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Solution

The fourth proportional to 1,816.51, 2,724.72 and 1,269.06 is: 1,903.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.51 : 2,724.72 = 1,269.06 : x
  2. Step 2: Convert to fraction form
    1,816.51/2,724.72 = 1,269.06/x
  3. Step 3: Cross multiply
    1,816.51x = 2,724.72 × 1,269.06
  4. Step 4: Simplify right side
    1,816.51x = 3,457,833.16
  5. Step 5: Solve for x
    x = 3,457,833.16/1,816.51
  6. Step 6: Final answer
    x = 1,903.56

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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.