Home / 2,188.46-3,285.75-1,364.33

Finding the Fourth Proportional to 2,188.46, 3,285.75 and 1,364.33

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Solution

The fourth proportional to 2,188.46, 3,285.75 and 1,364.33 is: 2,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188.46 : 3,285.75 = 1,364.33 : x
  2. Step 2: Convert to fraction form
    2,188.46/3,285.75 = 1,364.33/x
  3. Step 3: Cross multiply
    2,188.46x = 3,285.75 × 1,364.33
  4. Step 4: Simplify right side
    2,188.46x = 4,482,847.30
  5. Step 5: Solve for x
    x = 4,482,847.30/2,188.46
  6. Step 6: Final answer
    x = 2,048.40

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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.