Home / 2,865.96-4,299.36-1,222.50

Finding the Fourth Proportional to 2,865.96, 4,299.36 and 1,222.50

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Solution

The fourth proportional to 2,865.96, 4,299.36 and 1,222.50 is: 1,833.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.96 : 4,299.36 = 1,222.50 : x
  2. Step 2: Convert to fraction form
    2,865.96/4,299.36 = 1,222.50/x
  3. Step 3: Cross multiply
    2,865.96x = 4,299.36 × 1,222.50
  4. Step 4: Simplify right side
    2,865.96x = 5,255,967.60
  5. Step 5: Solve for x
    x = 5,255,967.60/2,865.96
  6. Step 6: Final answer
    x = 1,833.93

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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.