Home / 1,611.34-2,222.31-1,051.54

Finding the Fourth Proportional to 1,611.34, 2,222.31 and 1,051.54

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Solution

The fourth proportional to 1,611.34, 2,222.31 and 1,051.54 is: 1,450.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.34 : 2,222.31 = 1,051.54 : x
  2. Step 2: Convert to fraction form
    1,611.34/2,222.31 = 1,051.54/x
  3. Step 3: Cross multiply
    1,611.34x = 2,222.31 × 1,051.54
  4. Step 4: Simplify right side
    1,611.34x = 2,336,847.86
  5. Step 5: Solve for x
    x = 2,336,847.86/1,611.34
  6. Step 6: Final answer
    x = 1,450.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.