Home / 3,112.10-4,666.80-1,262.60

Finding the Fourth Proportional to 3,112.10, 4,666.80 and 1,262.60

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Solution

The fourth proportional to 3,112.10, 4,666.80 and 1,262.60 is: 1,893.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.10 : 4,666.80 = 1,262.60 : x
  2. Step 2: Convert to fraction form
    3,112.10/4,666.80 = 1,262.60/x
  3. Step 3: Cross multiply
    3,112.10x = 4,666.80 × 1,262.60
  4. Step 4: Simplify right side
    3,112.10x = 5,892,301.68
  5. Step 5: Solve for x
    x = 5,892,301.68/3,112.10
  6. Step 6: Final answer
    x = 1,893.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.