Home / 2,590.14-3,881.74-1,418.38

Finding the Fourth Proportional to 2,590.14, 3,881.74 and 1,418.38

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Solution

The fourth proportional to 2,590.14, 3,881.74 and 1,418.38 is: 2,125.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.14 : 3,881.74 = 1,418.38 : x
  2. Step 2: Convert to fraction form
    2,590.14/3,881.74 = 1,418.38/x
  3. Step 3: Cross multiply
    2,590.14x = 3,881.74 × 1,418.38
  4. Step 4: Simplify right side
    2,590.14x = 5,505,775.29
  5. Step 5: Solve for x
    x = 5,505,775.29/2,590.14
  6. Step 6: Final answer
    x = 2,125.67

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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.