Home / 1,806.33-2,492.68-1,020.45

Finding the Fourth Proportional to 1,806.33, 2,492.68 and 1,020.45

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Solution

The fourth proportional to 1,806.33, 2,492.68 and 1,020.45 is: 1,408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.33 : 2,492.68 = 1,020.45 : x
  2. Step 2: Convert to fraction form
    1,806.33/2,492.68 = 1,020.45/x
  3. Step 3: Cross multiply
    1,806.33x = 2,492.68 × 1,020.45
  4. Step 4: Simplify right side
    1,806.33x = 2,543,655.31
  5. Step 5: Solve for x
    x = 2,543,655.31/1,806.33
  6. Step 6: Final answer
    x = 1,408.19

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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.