Home / 1,806.07-2,492.49-1,020.10

Finding the Fourth Proportional to 1,806.07, 2,492.49 and 1,020.10

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Solution

The fourth proportional to 1,806.07, 2,492.49 and 1,020.10 is: 1,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.07 : 2,492.49 = 1,020.10 : x
  2. Step 2: Convert to fraction form
    1,806.07/2,492.49 = 1,020.10/x
  3. Step 3: Cross multiply
    1,806.07x = 2,492.49 × 1,020.10
  4. Step 4: Simplify right side
    1,806.07x = 2,542,589.05
  5. Step 5: Solve for x
    x = 2,542,589.05/1,806.07
  6. Step 6: Final answer
    x = 1,407.80

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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.