Home / 2,312.06-3,467.58-668.57

Finding the Fourth Proportional to 2,312.06, 3,467.58 and 668.57

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Solution

The fourth proportional to 2,312.06, 3,467.58 and 668.57 is: 1,002.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.06 : 3,467.58 = 668.57 : x
  2. Step 2: Convert to fraction form
    2,312.06/3,467.58 = 668.57/x
  3. Step 3: Cross multiply
    2,312.06x = 3,467.58 × 668.57
  4. Step 4: Simplify right side
    2,312.06x = 2,318,319.96
  5. Step 5: Solve for x
    x = 2,318,319.96/2,312.06
  6. Step 6: Final answer
    x = 1,002.71

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1.5x scale

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.