Home / 1,206.18-1,806.98-1,012.46

Finding the Fourth Proportional to 1,206.18, 1,806.98 and 1,012.46

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Solution

The fourth proportional to 1,206.18, 1,806.98 and 1,012.46 is: 1,516.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206.18 : 1,806.98 = 1,012.46 : x
  2. Step 2: Convert to fraction form
    1,206.18/1,806.98 = 1,012.46/x
  3. Step 3: Cross multiply
    1,206.18x = 1,806.98 × 1,012.46
  4. Step 4: Simplify right side
    1,206.18x = 1,829,480.87
  5. Step 5: Solve for x
    x = 1,829,480.87/1,206.18
  6. Step 6: Final answer
    x = 1,516.76

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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.