Home / 3,802.80-5,246.94-2,230.59

Finding the Fourth Proportional to 3,802.80, 5,246.94 and 2,230.59

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Solution

The fourth proportional to 3,802.80, 5,246.94 and 2,230.59 is: 3,077.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.80 : 5,246.94 = 2,230.59 : x
  2. Step 2: Convert to fraction form
    3,802.80/5,246.94 = 2,230.59/x
  3. Step 3: Cross multiply
    3,802.80x = 5,246.94 × 2,230.59
  4. Step 4: Simplify right side
    3,802.80x = 11,703,771.89
  5. Step 5: Solve for x
    x = 11,703,771.89/3,802.80
  6. Step 6: Final answer
    x = 3,077.67

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1.5x scale

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.