Home / 1,362.16-2,048.46-1,085.14

Finding the Fourth Proportional to 1,362.16, 2,048.46 and 1,085.14

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Solution

The fourth proportional to 1,362.16, 2,048.46 and 1,085.14 is: 1,631.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362.16 : 2,048.46 = 1,085.14 : x
  2. Step 2: Convert to fraction form
    1,362.16/2,048.46 = 1,085.14/x
  3. Step 3: Cross multiply
    1,362.16x = 2,048.46 × 1,085.14
  4. Step 4: Simplify right side
    1,362.16x = 2,222,865.88
  5. Step 5: Solve for x
    x = 2,222,865.88/1,362.16
  6. Step 6: Final answer
    x = 1,631.87

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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.