Home / 2,133.18-3,199.93-1,256.96

Finding the Fourth Proportional to 2,133.18, 3,199.93 and 1,256.96

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Solution

The fourth proportional to 2,133.18, 3,199.93 and 1,256.96 is: 1,885.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.18 : 3,199.93 = 1,256.96 : x
  2. Step 2: Convert to fraction form
    2,133.18/3,199.93 = 1,256.96/x
  3. Step 3: Cross multiply
    2,133.18x = 3,199.93 × 1,256.96
  4. Step 4: Simplify right side
    2,133.18x = 4,022,188.87
  5. Step 5: Solve for x
    x = 4,022,188.87/2,133.18
  6. Step 6: Final answer
    x = 1,885.54

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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.