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Finding the Fourth Proportional to 2,681.91, 4,023.95 and 1,706.67

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Solution

The fourth proportional to 2,681.91, 4,023.95 and 1,706.67 is: 2,560.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.91 : 4,023.95 = 1,706.67 : x
  2. Step 2: Convert to fraction form
    2,681.91/4,023.95 = 1,706.67/x
  3. Step 3: Cross multiply
    2,681.91x = 4,023.95 × 1,706.67
  4. Step 4: Simplify right side
    2,681.91x = 6,867,546.21
  5. Step 5: Solve for x
    x = 6,867,546.21/2,681.91
  6. Step 6: Final answer
    x = 2,560.69

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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.