Home / 2,852.52-3,936.36-1,790.85

Finding the Fourth Proportional to 2,852.52, 3,936.36 and 1,790.85

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Solution

The fourth proportional to 2,852.52, 3,936.36 and 1,790.85 is: 2,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.52 : 3,936.36 = 1,790.85 : x
  2. Step 2: Convert to fraction form
    2,852.52/3,936.36 = 1,790.85/x
  3. Step 3: Cross multiply
    2,852.52x = 3,936.36 × 1,790.85
  4. Step 4: Simplify right side
    2,852.52x = 7,049,430.31
  5. Step 5: Solve for x
    x = 7,049,430.31/2,852.52
  6. Step 6: Final answer
    x = 2,471.30

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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.