Home / 1,882.63-2,816.65-1,263.39

Finding the Fourth Proportional to 1,882.63, 2,816.65 and 1,263.39

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Solution

The fourth proportional to 1,882.63, 2,816.65 and 1,263.39 is: 1,890.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.63 : 2,816.65 = 1,263.39 : x
  2. Step 2: Convert to fraction form
    1,882.63/2,816.65 = 1,263.39/x
  3. Step 3: Cross multiply
    1,882.63x = 2,816.65 × 1,263.39
  4. Step 4: Simplify right side
    1,882.63x = 3,558,527.44
  5. Step 5: Solve for x
    x = 3,558,527.44/1,882.63
  6. Step 6: Final answer
    x = 1,890.19

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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.