Home / 2,826.96-4,239.57-1,955.07

Finding the Fourth Proportional to 2,826.96, 4,239.57 and 1,955.07

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Solution

The fourth proportional to 2,826.96, 4,239.57 and 1,955.07 is: 2,932.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.96 : 4,239.57 = 1,955.07 : x
  2. Step 2: Convert to fraction form
    2,826.96/4,239.57 = 1,955.07/x
  3. Step 3: Cross multiply
    2,826.96x = 4,239.57 × 1,955.07
  4. Step 4: Simplify right side
    2,826.96x = 8,288,634.92
  5. Step 5: Solve for x
    x = 8,288,634.92/2,826.96
  6. Step 6: Final answer
    x = 2,932.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.