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Finding the Fourth Proportional to 2,855.94, 4,284.26 and 1,006.67

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Solution

The fourth proportional to 2,855.94, 4,284.26 and 1,006.67 is: 1,510.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855.94 : 4,284.26 = 1,006.67 : x
  2. Step 2: Convert to fraction form
    2,855.94/4,284.26 = 1,006.67/x
  3. Step 3: Cross multiply
    2,855.94x = 4,284.26 × 1,006.67
  4. Step 4: Simplify right side
    2,855.94x = 4,312,809.56
  5. Step 5: Solve for x
    x = 4,312,809.56/2,855.94
  6. Step 6: Final answer
    x = 1,510.12

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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.