Home / 2,029.86-3,043.65-1,208.70

Finding the Fourth Proportional to 2,029.86, 3,043.65 and 1,208.70

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Solution

The fourth proportional to 2,029.86, 3,043.65 and 1,208.70 is: 1,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.86 : 3,043.65 = 1,208.70 : x
  2. Step 2: Convert to fraction form
    2,029.86/3,043.65 = 1,208.70/x
  3. Step 3: Cross multiply
    2,029.86x = 3,043.65 × 1,208.70
  4. Step 4: Simplify right side
    2,029.86x = 3,678,859.76
  5. Step 5: Solve for x
    x = 3,678,859.76/2,029.86
  6. Step 6: Final answer
    x = 1,812.37

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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.