Home / 1,741.65-2,612.46-443.12

Finding the Fourth Proportional to 1,741.65, 2,612.46 and 443.12

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Solution

The fourth proportional to 1,741.65, 2,612.46 and 443.12 is: 664.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.65 : 2,612.46 = 443.12 : x
  2. Step 2: Convert to fraction form
    1,741.65/2,612.46 = 443.12/x
  3. Step 3: Cross multiply
    1,741.65x = 2,612.46 × 443.12
  4. Step 4: Simplify right side
    1,741.65x = 1,157,620.21
  5. Step 5: Solve for x
    x = 1,157,620.21/1,741.65
  6. Step 6: Final answer
    x = 664.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.