Home / 3,290.06-4,540.56-1,874.19

Finding the Fourth Proportional to 3,290.06, 4,540.56 and 1,874.19

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Solution

The fourth proportional to 3,290.06, 4,540.56 and 1,874.19 is: 2,586.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.06 : 4,540.56 = 1,874.19 : x
  2. Step 2: Convert to fraction form
    3,290.06/4,540.56 = 1,874.19/x
  3. Step 3: Cross multiply
    3,290.06x = 4,540.56 × 1,874.19
  4. Step 4: Simplify right side
    3,290.06x = 8,509,874.13
  5. Step 5: Solve for x
    x = 8,509,874.13/3,290.06
  6. Step 6: Final answer
    x = 2,586.54

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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.