Home / 1,816.16-2,716.61-1,530.93

Finding the Fourth Proportional to 1,816.16, 2,716.61 and 1,530.93

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Solution

The fourth proportional to 1,816.16, 2,716.61 and 1,530.93 is: 2,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.16 : 2,716.61 = 1,530.93 : x
  2. Step 2: Convert to fraction form
    1,816.16/2,716.61 = 1,530.93/x
  3. Step 3: Cross multiply
    1,816.16x = 2,716.61 × 1,530.93
  4. Step 4: Simplify right side
    1,816.16x = 4,158,932.09
  5. Step 5: Solve for x
    x = 4,158,932.09/1,816.16
  6. Step 6: Final answer
    x = 2,289.97

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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.