Home / 2,159.05-2,977.79-1,450.81

Finding the Fourth Proportional to 2,159.05, 2,977.79 and 1,450.81

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Solution

The fourth proportional to 2,159.05, 2,977.79 and 1,450.81 is: 2,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159.05 : 2,977.79 = 1,450.81 : x
  2. Step 2: Convert to fraction form
    2,159.05/2,977.79 = 1,450.81/x
  3. Step 3: Cross multiply
    2,159.05x = 2,977.79 × 1,450.81
  4. Step 4: Simplify right side
    2,159.05x = 4,320,200.26
  5. Step 5: Solve for x
    x = 4,320,200.26/2,159.05
  6. Step 6: Final answer
    x = 2,000.97

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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.