Home / 2,751.18-3,794.67-1,820.94

Finding the Fourth Proportional to 2,751.18, 3,794.67 and 1,820.94

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Solution

The fourth proportional to 2,751.18, 3,794.67 and 1,820.94 is: 2,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.18 : 3,794.67 = 1,820.94 : x
  2. Step 2: Convert to fraction form
    2,751.18/3,794.67 = 1,820.94/x
  3. Step 3: Cross multiply
    2,751.18x = 3,794.67 × 1,820.94
  4. Step 4: Simplify right side
    2,751.18x = 6,909,866.39
  5. Step 5: Solve for x
    x = 6,909,866.39/2,751.18
  6. Step 6: Final answer
    x = 2,511.60

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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.