Home / 2,029.69-3,040.93-1,378.09

Finding the Fourth Proportional to 2,029.69, 3,040.93 and 1,378.09

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Solution

The fourth proportional to 2,029.69, 3,040.93 and 1,378.09 is: 2,064.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.69 : 3,040.93 = 1,378.09 : x
  2. Step 2: Convert to fraction form
    2,029.69/3,040.93 = 1,378.09/x
  3. Step 3: Cross multiply
    2,029.69x = 3,040.93 × 1,378.09
  4. Step 4: Simplify right side
    2,029.69x = 4,190,675.22
  5. Step 5: Solve for x
    x = 4,190,675.22/2,029.69
  6. Step 6: Final answer
    x = 2,064.69

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1.5x scale

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.