Home / 2,048.16-3,069.36-1,181.28

Finding the Fourth Proportional to 2,048.16, 3,069.36 and 1,181.28

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Solution

The fourth proportional to 2,048.16, 3,069.36 and 1,181.28 is: 1,770.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.16 : 3,069.36 = 1,181.28 : x
  2. Step 2: Convert to fraction form
    2,048.16/3,069.36 = 1,181.28/x
  3. Step 3: Cross multiply
    2,048.16x = 3,069.36 × 1,181.28
  4. Step 4: Simplify right side
    2,048.16x = 3,625,773.58
  5. Step 5: Solve for x
    x = 3,625,773.58/2,048.16
  6. Step 6: Final answer
    x = 1,770.26

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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.