Home / 2,628.91-3,943.34-1,804.67

Finding the Fourth Proportional to 2,628.91, 3,943.34 and 1,804.67

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Solution

The fourth proportional to 2,628.91, 3,943.34 and 1,804.67 is: 2,706.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.91 : 3,943.34 = 1,804.67 : x
  2. Step 2: Convert to fraction form
    2,628.91/3,943.34 = 1,804.67/x
  3. Step 3: Cross multiply
    2,628.91x = 3,943.34 × 1,804.67
  4. Step 4: Simplify right side
    2,628.91x = 7,116,427.40
  5. Step 5: Solve for x
    x = 7,116,427.40/2,628.91
  6. Step 6: Final answer
    x = 2,706.99

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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.