Home / 1,896.16-2,844.38-1,117.30

Finding the Fourth Proportional to 1,896.16, 2,844.38 and 1,117.30

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Solution

The fourth proportional to 1,896.16, 2,844.38 and 1,117.30 is: 1,676.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.16 : 2,844.38 = 1,117.30 : x
  2. Step 2: Convert to fraction form
    1,896.16/2,844.38 = 1,117.30/x
  3. Step 3: Cross multiply
    1,896.16x = 2,844.38 × 1,117.30
  4. Step 4: Simplify right side
    1,896.16x = 3,178,025.77
  5. Step 5: Solve for x
    x = 3,178,025.77/1,896.16
  6. Step 6: Final answer
    x = 1,676.03

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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.