Home / 2,159.38-2,982.37-1,459.54

Finding the Fourth Proportional to 2,159.38, 2,982.37 and 1,459.54

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Solution

The fourth proportional to 2,159.38, 2,982.37 and 1,459.54 is: 2,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159.38 : 2,982.37 = 1,459.54 : x
  2. Step 2: Convert to fraction form
    2,159.38/2,982.37 = 1,459.54/x
  3. Step 3: Cross multiply
    2,159.38x = 2,982.37 × 1,459.54
  4. Step 4: Simplify right side
    2,159.38x = 4,352,888.31
  5. Step 5: Solve for x
    x = 4,352,888.31/2,159.38
  6. Step 6: Final answer
    x = 2,015.80

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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.