Home / 2,790.75-4,192.66-2,633.13

Finding the Fourth Proportional to 2,790.75, 4,192.66 and 2,633.13

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Solution

The fourth proportional to 2,790.75, 4,192.66 and 2,633.13 is: 3,955.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.75 : 4,192.66 = 2,633.13 : x
  2. Step 2: Convert to fraction form
    2,790.75/4,192.66 = 2,633.13/x
  3. Step 3: Cross multiply
    2,790.75x = 4,192.66 × 2,633.13
  4. Step 4: Simplify right side
    2,790.75x = 11,039,818.83
  5. Step 5: Solve for x
    x = 11,039,818.83/2,790.75
  6. Step 6: Final answer
    x = 3,955.86

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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.