Home / 2,945.40-4,059.92-2,234.93

Finding the Fourth Proportional to 2,945.40, 4,059.92 and 2,234.93

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Solution

The fourth proportional to 2,945.40, 4,059.92 and 2,234.93 is: 3,080.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.40 : 4,059.92 = 2,234.93 : x
  2. Step 2: Convert to fraction form
    2,945.40/4,059.92 = 2,234.93/x
  3. Step 3: Cross multiply
    2,945.40x = 4,059.92 × 2,234.93
  4. Step 4: Simplify right side
    2,945.40x = 9,073,637.01
  5. Step 5: Solve for x
    x = 9,073,637.01/2,945.40
  6. Step 6: Final answer
    x = 3,080.61

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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.