Home / 1,849.86-2,761.07-1,631.16

Finding the Fourth Proportional to 1,849.86, 2,761.07 and 1,631.16

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Solution

The fourth proportional to 1,849.86, 2,761.07 and 1,631.16 is: 2,434.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.86 : 2,761.07 = 1,631.16 : x
  2. Step 2: Convert to fraction form
    1,849.86/2,761.07 = 1,631.16/x
  3. Step 3: Cross multiply
    1,849.86x = 2,761.07 × 1,631.16
  4. Step 4: Simplify right side
    1,849.86x = 4,503,738.79
  5. Step 5: Solve for x
    x = 4,503,738.79/1,849.86
  6. Step 6: Final answer
    x = 2,434.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.