Home / 2,254.42-3,381.60-1,868.86

Finding the Fourth Proportional to 2,254.42, 3,381.60 and 1,868.86

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Solution

The fourth proportional to 2,254.42, 3,381.60 and 1,868.86 is: 2,803.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.42 : 3,381.60 = 1,868.86 : x
  2. Step 2: Convert to fraction form
    2,254.42/3,381.60 = 1,868.86/x
  3. Step 3: Cross multiply
    2,254.42x = 3,381.60 × 1,868.86
  4. Step 4: Simplify right side
    2,254.42x = 6,319,736.98
  5. Step 5: Solve for x
    x = 6,319,736.98/2,254.42
  6. Step 6: Final answer
    x = 2,803.27

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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.