Home / 2,215.80-3,323.70-1,863.46

Finding the Fourth Proportional to 2,215.80, 3,323.70 and 1,863.46

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Solution

The fourth proportional to 2,215.80, 3,323.70 and 1,863.46 is: 2,795.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215.80 : 3,323.70 = 1,863.46 : x
  2. Step 2: Convert to fraction form
    2,215.80/3,323.70 = 1,863.46/x
  3. Step 3: Cross multiply
    2,215.80x = 3,323.70 × 1,863.46
  4. Step 4: Simplify right side
    2,215.80x = 6,193,582.00
  5. Step 5: Solve for x
    x = 6,193,582.00/2,215.80
  6. Step 6: Final answer
    x = 2,795.19

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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.