Home / 2,072.96-2,860.68-1,141.48

Finding the Fourth Proportional to 2,072.96, 2,860.68 and 1,141.48

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Solution

The fourth proportional to 2,072.96, 2,860.68 and 1,141.48 is: 1,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.96 : 2,860.68 = 1,141.48 : x
  2. Step 2: Convert to fraction form
    2,072.96/2,860.68 = 1,141.48/x
  3. Step 3: Cross multiply
    2,072.96x = 2,860.68 × 1,141.48
  4. Step 4: Simplify right side
    2,072.96x = 3,265,409.01
  5. Step 5: Solve for x
    x = 3,265,409.01/2,072.96
  6. Step 6: Final answer
    x = 1,575.24

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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.