Home / 2,030.80-3,040.38-1,782.67

Finding the Fourth Proportional to 2,030.80, 3,040.38 and 1,782.67

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Solution

The fourth proportional to 2,030.80, 3,040.38 and 1,782.67 is: 2,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.80 : 3,040.38 = 1,782.67 : x
  2. Step 2: Convert to fraction form
    2,030.80/3,040.38 = 1,782.67/x
  3. Step 3: Cross multiply
    2,030.80x = 3,040.38 × 1,782.67
  4. Step 4: Simplify right side
    2,030.80x = 5,419,994.21
  5. Step 5: Solve for x
    x = 5,419,994.21/2,030.80
  6. Step 6: Final answer
    x = 2,668.90

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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.