Home / 2,961.85-4,087.33-1,782.67

Finding the Fourth Proportional to 2,961.85, 4,087.33 and 1,782.67

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Solution

The fourth proportional to 2,961.85, 4,087.33 and 1,782.67 is: 2,460.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.85 : 4,087.33 = 1,782.67 : x
  2. Step 2: Convert to fraction form
    2,961.85/4,087.33 = 1,782.67/x
  3. Step 3: Cross multiply
    2,961.85x = 4,087.33 × 1,782.67
  4. Step 4: Simplify right side
    2,961.85x = 7,286,360.57
  5. Step 5: Solve for x
    x = 7,286,360.57/2,961.85
  6. Step 6: Final answer
    x = 2,460.07

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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.