Home / 3,446.12-4,755.62-1,874.21

Finding the Fourth Proportional to 3,446.12, 4,755.62 and 1,874.21

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Solution

The fourth proportional to 3,446.12, 4,755.62 and 1,874.21 is: 2,586.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446.12 : 4,755.62 = 1,874.21 : x
  2. Step 2: Convert to fraction form
    3,446.12/4,755.62 = 1,874.21/x
  3. Step 3: Cross multiply
    3,446.12x = 4,755.62 × 1,874.21
  4. Step 4: Simplify right side
    3,446.12x = 8,913,030.56
  5. Step 5: Solve for x
    x = 8,913,030.56/3,446.12
  6. Step 6: Final answer
    x = 2,586.40

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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.