Home / 1,899.14-2,620.58-1,059.89

Finding the Fourth Proportional to 1,899.14, 2,620.58 and 1,059.89

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Solution

The fourth proportional to 1,899.14, 2,620.58 and 1,059.89 is: 1,462.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.14 : 2,620.58 = 1,059.89 : x
  2. Step 2: Convert to fraction form
    1,899.14/2,620.58 = 1,059.89/x
  3. Step 3: Cross multiply
    1,899.14x = 2,620.58 × 1,059.89
  4. Step 4: Simplify right side
    1,899.14x = 2,777,508.13
  5. Step 5: Solve for x
    x = 2,777,508.13/1,899.14
  6. Step 6: Final answer
    x = 1,462.51

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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.