Home / 3,370.24-4,650.79-1,878.12

Finding the Fourth Proportional to 3,370.24, 4,650.79 and 1,878.12

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Solution

The fourth proportional to 3,370.24, 4,650.79 and 1,878.12 is: 2,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.24 : 4,650.79 = 1,878.12 : x
  2. Step 2: Convert to fraction form
    3,370.24/4,650.79 = 1,878.12/x
  3. Step 3: Cross multiply
    3,370.24x = 4,650.79 × 1,878.12
  4. Step 4: Simplify right side
    3,370.24x = 8,734,741.71
  5. Step 5: Solve for x
    x = 8,734,741.71/3,370.24
  6. Step 6: Final answer
    x = 2,591.73

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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.