Home / 3,370.09-4,650.93-1,878.02

Finding the Fourth Proportional to 3,370.09, 4,650.93 and 1,878.02

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Solution

The fourth proportional to 3,370.09, 4,650.93 and 1,878.02 is: 2,591.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.09 : 4,650.93 = 1,878.02 : x
  2. Step 2: Convert to fraction form
    3,370.09/4,650.93 = 1,878.02/x
  3. Step 3: Cross multiply
    3,370.09x = 4,650.93 × 1,878.02
  4. Step 4: Simplify right side
    3,370.09x = 8,734,539.56
  5. Step 5: Solve for x
    x = 8,734,539.56/3,370.09
  6. Step 6: Final answer
    x = 2,591.78

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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.