Home / 2,790.30-3,852.33-1,797.35

Finding the Fourth Proportional to 2,790.30, 3,852.33 and 1,797.35

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Solution

The fourth proportional to 2,790.30, 3,852.33 and 1,797.35 is: 2,481.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.30 : 3,852.33 = 1,797.35 : x
  2. Step 2: Convert to fraction form
    2,790.30/3,852.33 = 1,797.35/x
  3. Step 3: Cross multiply
    2,790.30x = 3,852.33 × 1,797.35
  4. Step 4: Simplify right side
    2,790.30x = 6,923,966.06
  5. Step 5: Solve for x
    x = 6,923,966.06/2,790.30
  6. Step 6: Final answer
    x = 2,481.44

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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.