Home / 1,890.62-2,609.06-1,051.37

Finding the Fourth Proportional to 1,890.62, 2,609.06 and 1,051.37

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Solution

The fourth proportional to 1,890.62, 2,609.06 and 1,051.37 is: 1,450.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.62 : 2,609.06 = 1,051.37 : x
  2. Step 2: Convert to fraction form
    1,890.62/2,609.06 = 1,051.37/x
  3. Step 3: Cross multiply
    1,890.62x = 2,609.06 × 1,051.37
  4. Step 4: Simplify right side
    1,890.62x = 2,743,069.11
  5. Step 5: Solve for x
    x = 2,743,069.11/1,890.62
  6. Step 6: Final answer
    x = 1,450.89

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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.