Home / 1,806.16-2,706.40-1,396.30

Finding the Fourth Proportional to 1,806.16, 2,706.40 and 1,396.30

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Solution

The fourth proportional to 1,806.16, 2,706.40 and 1,396.30 is: 2,092.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.16 : 2,706.40 = 1,396.30 : x
  2. Step 2: Convert to fraction form
    1,806.16/2,706.40 = 1,396.30/x
  3. Step 3: Cross multiply
    1,806.16x = 2,706.40 × 1,396.30
  4. Step 4: Simplify right side
    1,806.16x = 3,778,946.32
  5. Step 5: Solve for x
    x = 3,778,946.32/1,806.16
  6. Step 6: Final answer
    x = 2,092.25

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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.