Home / 2,852.91-3,937.29-1,790.85

Finding the Fourth Proportional to 2,852.91, 3,937.29 and 1,790.85

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Solution

The fourth proportional to 2,852.91, 3,937.29 and 1,790.85 is: 2,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.91 : 3,937.29 = 1,790.85 : x
  2. Step 2: Convert to fraction form
    2,852.91/3,937.29 = 1,790.85/x
  3. Step 3: Cross multiply
    2,852.91x = 3,937.29 × 1,790.85
  4. Step 4: Simplify right side
    2,852.91x = 7,051,095.80
  5. Step 5: Solve for x
    x = 7,051,095.80/2,852.91
  6. Step 6: Final answer
    x = 2,471.55

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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.