Home / 3,370.17-4,651.02-1,878.03

Finding the Fourth Proportional to 3,370.17, 4,651.02 and 1,878.03

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Solution

The fourth proportional to 3,370.17, 4,651.02 and 1,878.03 is: 2,591.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.17 : 4,651.02 = 1,878.03 : x
  2. Step 2: Convert to fraction form
    3,370.17/4,651.02 = 1,878.03/x
  3. Step 3: Cross multiply
    3,370.17x = 4,651.02 × 1,878.03
  4. Step 4: Simplify right side
    3,370.17x = 8,734,755.09
  5. Step 5: Solve for x
    x = 8,734,755.09/3,370.17
  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.