Home / 2,575.40-3,859.94-1,112.92

Finding the Fourth Proportional to 2,575.40, 3,859.94 and 1,112.92

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Solution

The fourth proportional to 2,575.40, 3,859.94 and 1,112.92 is: 1,668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.40 : 3,859.94 = 1,112.92 : x
  2. Step 2: Convert to fraction form
    2,575.40/3,859.94 = 1,112.92/x
  3. Step 3: Cross multiply
    2,575.40x = 3,859.94 × 1,112.92
  4. Step 4: Simplify right side
    2,575.40x = 4,295,804.42
  5. Step 5: Solve for x
    x = 4,295,804.42/2,575.40
  6. Step 6: Final answer
    x = 1,668.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.