Home / 3,005.96-4,150.87-1,888.84

Finding the Fourth Proportional to 3,005.96, 4,150.87 and 1,888.84

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Solution

The fourth proportional to 3,005.96, 4,150.87 and 1,888.84 is: 2,608.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.96 : 4,150.87 = 1,888.84 : x
  2. Step 2: Convert to fraction form
    3,005.96/4,150.87 = 1,888.84/x
  3. Step 3: Cross multiply
    3,005.96x = 4,150.87 × 1,888.84
  4. Step 4: Simplify right side
    3,005.96x = 7,840,314.19
  5. Step 5: Solve for x
    x = 7,840,314.19/3,005.96
  6. Step 6: Final answer
    x = 2,608.25

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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.