Home / 1,806.42-2,492.94-1,020.48

Finding the Fourth Proportional to 1,806.42, 2,492.94 and 1,020.48

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Solution

The fourth proportional to 1,806.42, 2,492.94 and 1,020.48 is: 1,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.42 : 2,492.94 = 1,020.48 : x
  2. Step 2: Convert to fraction form
    1,806.42/2,492.94 = 1,020.48/x
  3. Step 3: Cross multiply
    1,806.42x = 2,492.94 × 1,020.48
  4. Step 4: Simplify right side
    1,806.42x = 2,543,995.41
  5. Step 5: Solve for x
    x = 2,543,995.41/1,806.42
  6. Step 6: Final answer
    x = 1,408.31

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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.