Home / 1,899.44-2,620.52-1,153.14

Finding the Fourth Proportional to 1,899.44, 2,620.52 and 1,153.14

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Solution

The fourth proportional to 1,899.44, 2,620.52 and 1,153.14 is: 1,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.44 : 2,620.52 = 1,153.14 : x
  2. Step 2: Convert to fraction form
    1,899.44/2,620.52 = 1,153.14/x
  3. Step 3: Cross multiply
    1,899.44x = 2,620.52 × 1,153.14
  4. Step 4: Simplify right side
    1,899.44x = 3,021,826.43
  5. Step 5: Solve for x
    x = 3,021,826.43/1,899.44
  6. Step 6: Final answer
    x = 1,590.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.