Home / 3,112.23-4,668.30-1,263.30

Finding the Fourth Proportional to 3,112.23, 4,668.30 and 1,263.30

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Solution

The fourth proportional to 3,112.23, 4,668.30 and 1,263.30 is: 1,894.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.23 : 4,668.30 = 1,263.30 : x
  2. Step 2: Convert to fraction form
    3,112.23/4,668.30 = 1,263.30/x
  3. Step 3: Cross multiply
    3,112.23x = 4,668.30 × 1,263.30
  4. Step 4: Simplify right side
    3,112.23x = 5,897,463.39
  5. Step 5: Solve for x
    x = 5,897,463.39/3,112.23
  6. Step 6: Final answer
    x = 1,894.93

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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.