Home / 2,072.38-2,860.94-1,599.21

Finding the Fourth Proportional to 2,072.38, 2,860.94 and 1,599.21

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Solution

The fourth proportional to 2,072.38, 2,860.94 and 1,599.21 is: 2,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.38 : 2,860.94 = 1,599.21 : x
  2. Step 2: Convert to fraction form
    2,072.38/2,860.94 = 1,599.21/x
  3. Step 3: Cross multiply
    2,072.38x = 2,860.94 × 1,599.21
  4. Step 4: Simplify right side
    2,072.38x = 4,575,243.86
  5. Step 5: Solve for x
    x = 4,575,243.86/2,072.38
  6. Step 6: Final answer
    x = 2,207.72

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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.