Home / 3,290.22-4,540.32-1,874.07

Finding the Fourth Proportional to 3,290.22, 4,540.32 and 1,874.07

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Solution

The fourth proportional to 3,290.22, 4,540.32 and 1,874.07 is: 2,586.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.22 : 4,540.32 = 1,874.07 : x
  2. Step 2: Convert to fraction form
    3,290.22/4,540.32 = 1,874.07/x
  3. Step 3: Cross multiply
    3,290.22x = 4,540.32 × 1,874.07
  4. Step 4: Simplify right side
    3,290.22x = 8,508,877.50
  5. Step 5: Solve for x
    x = 8,508,877.50/3,290.22
  6. Step 6: Final answer
    x = 2,586.11

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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.