Home / 2,852.03-3,932.21-2,180.66

Finding the Fourth Proportional to 2,852.03, 3,932.21 and 2,180.66

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Solution

The fourth proportional to 2,852.03, 3,932.21 and 2,180.66 is: 3,006.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.03 : 3,932.21 = 2,180.66 : x
  2. Step 2: Convert to fraction form
    2,852.03/3,932.21 = 2,180.66/x
  3. Step 3: Cross multiply
    2,852.03x = 3,932.21 × 2,180.66
  4. Step 4: Simplify right side
    2,852.03x = 8,574,798.85
  5. Step 5: Solve for x
    x = 8,574,798.85/2,852.03
  6. Step 6: Final answer
    x = 3,006.56

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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.