Home / 2,849.40-3,932.46-1,670.85

Finding the Fourth Proportional to 2,849.40, 3,932.46 and 1,670.85

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Solution

The fourth proportional to 2,849.40, 3,932.46 and 1,670.85 is: 2,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.40 : 3,932.46 = 1,670.85 : x
  2. Step 2: Convert to fraction form
    2,849.40/3,932.46 = 1,670.85/x
  3. Step 3: Cross multiply
    2,849.40x = 3,932.46 × 1,670.85
  4. Step 4: Simplify right side
    2,849.40x = 6,570,550.79
  5. Step 5: Solve for x
    x = 6,570,550.79/2,849.40
  6. Step 6: Final answer
    x = 2,305.94

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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.