Home / 1,806.22-2,492.57-1,020.25

Finding the Fourth Proportional to 1,806.22, 2,492.57 and 1,020.25

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Solution

The fourth proportional to 1,806.22, 2,492.57 and 1,020.25 is: 1,407.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.22 : 2,492.57 = 1,020.25 : x
  2. Step 2: Convert to fraction form
    1,806.22/2,492.57 = 1,020.25/x
  3. Step 3: Cross multiply
    1,806.22x = 2,492.57 × 1,020.25
  4. Step 4: Simplify right side
    1,806.22x = 2,543,026.98
  5. Step 5: Solve for x
    x = 2,543,026.98/1,806.22
  6. Step 6: Final answer
    x = 1,407.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.