Home / 3,370.56-4,651.38-1,878.54

Finding the Fourth Proportional to 3,370.56, 4,651.38 and 1,878.54

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Solution

The fourth proportional to 3,370.56, 4,651.38 and 1,878.54 is: 2,592.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.56 : 4,651.38 = 1,878.54 : x
  2. Step 2: Convert to fraction form
    3,370.56/4,651.38 = 1,878.54/x
  3. Step 3: Cross multiply
    3,370.56x = 4,651.38 × 1,878.54
  4. Step 4: Simplify right side
    3,370.56x = 8,737,803.39
  5. Step 5: Solve for x
    x = 8,737,803.39/3,370.56
  6. Step 6: Final answer
    x = 2,592.39

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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.