Home / 1,766.98-2,438.15-1,021.04

Finding the Fourth Proportional to 1,766.98, 2,438.15 and 1,021.04

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Solution

The fourth proportional to 1,766.98, 2,438.15 and 1,021.04 is: 1,408.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.98 : 2,438.15 = 1,021.04 : x
  2. Step 2: Convert to fraction form
    1,766.98/2,438.15 = 1,021.04/x
  3. Step 3: Cross multiply
    1,766.98x = 2,438.15 × 1,021.04
  4. Step 4: Simplify right side
    1,766.98x = 2,489,431.38
  5. Step 5: Solve for x
    x = 2,489,431.38/1,766.98
  6. Step 6: Final answer
    x = 1,408.86

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1.5x scale

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.