Home / 2,030.87-3,048.44-1,291.34

Finding the Fourth Proportional to 2,030.87, 3,048.44 and 1,291.34

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Solution

The fourth proportional to 2,030.87, 3,048.44 and 1,291.34 is: 1,938.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.87 : 3,048.44 = 1,291.34 : x
  2. Step 2: Convert to fraction form
    2,030.87/3,048.44 = 1,291.34/x
  3. Step 3: Cross multiply
    2,030.87x = 3,048.44 × 1,291.34
  4. Step 4: Simplify right side
    2,030.87x = 3,936,573.67
  5. Step 5: Solve for x
    x = 3,936,573.67/2,030.87
  6. Step 6: Final answer
    x = 1,938.37

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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.