Home / 1,806.35-2,492.99-1,020.38

Finding the Fourth Proportional to 1,806.35, 2,492.99 and 1,020.38

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Solution

The fourth proportional to 1,806.35, 2,492.99 and 1,020.38 is: 1,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.35 : 2,492.99 = 1,020.38 : x
  2. Step 2: Convert to fraction form
    1,806.35/2,492.99 = 1,020.38/x
  3. Step 3: Cross multiply
    1,806.35x = 2,492.99 × 1,020.38
  4. Step 4: Simplify right side
    1,806.35x = 2,543,779.57
  5. Step 5: Solve for x
    x = 2,543,779.57/1,806.35
  6. Step 6: Final answer
    x = 1,408.25

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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.