Home / 2,048.24-3,068.70-1,395.78

Finding the Fourth Proportional to 2,048.24, 3,068.70 and 1,395.78

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Solution

The fourth proportional to 2,048.24, 3,068.70 and 1,395.78 is: 2,091.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.24 : 3,068.70 = 1,395.78 : x
  2. Step 2: Convert to fraction form
    2,048.24/3,068.70 = 1,395.78/x
  3. Step 3: Cross multiply
    2,048.24x = 3,068.70 × 1,395.78
  4. Step 4: Simplify right side
    2,048.24x = 4,283,230.09
  5. Step 5: Solve for x
    x = 4,283,230.09/2,048.24
  6. Step 6: Final answer
    x = 2,091.18

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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.