Home / 1,806.20-2,492.66-1,020.52

Finding the Fourth Proportional to 1,806.20, 2,492.66 and 1,020.52

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Solution

The fourth proportional to 1,806.20, 2,492.66 and 1,020.52 is: 1,408.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.20 : 2,492.66 = 1,020.52 : x
  2. Step 2: Convert to fraction form
    1,806.20/2,492.66 = 1,020.52/x
  3. Step 3: Cross multiply
    1,806.20x = 2,492.66 × 1,020.52
  4. Step 4: Simplify right side
    1,806.20x = 2,543,809.38
  5. Step 5: Solve for x
    x = 2,543,809.38/1,806.20
  6. Step 6: Final answer
    x = 1,408.38

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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.