Home / 2,905.34-3,983.24-2,852.75

Finding the Fourth Proportional to 2,905.34, 3,983.24 and 2,852.75

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Solution

The fourth proportional to 2,905.34, 3,983.24 and 2,852.75 is: 3,911.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.34 : 3,983.24 = 2,852.75 : x
  2. Step 2: Convert to fraction form
    2,905.34/3,983.24 = 2,852.75/x
  3. Step 3: Cross multiply
    2,905.34x = 3,983.24 × 2,852.75
  4. Step 4: Simplify right side
    2,905.34x = 11,363,205.00
  5. Step 5: Solve for x
    x = 11,363,205.00/2,905.34
  6. Step 6: Final answer
    x = 3,911.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.