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Finding the Fourth Proportional to 2,006.23, 3,009.72 and 910.67

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Solution

The fourth proportional to 2,006.23, 3,009.72 and 910.67 is: 1,366.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.23 : 3,009.72 = 910.67 : x
  2. Step 2: Convert to fraction form
    2,006.23/3,009.72 = 910.67/x
  3. Step 3: Cross multiply
    2,006.23x = 3,009.72 × 910.67
  4. Step 4: Simplify right side
    2,006.23x = 2,740,861.71
  5. Step 5: Solve for x
    x = 2,740,861.71/2,006.23
  6. Step 6: Final answer
    x = 1,366.18

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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.