Home / 2,918.81-4,028.06-1,592.59

Finding the Fourth Proportional to 2,918.81, 4,028.06 and 1,592.59

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Solution

The fourth proportional to 2,918.81, 4,028.06 and 1,592.59 is: 2,197.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.81 : 4,028.06 = 1,592.59 : x
  2. Step 2: Convert to fraction form
    2,918.81/4,028.06 = 1,592.59/x
  3. Step 3: Cross multiply
    2,918.81x = 4,028.06 × 1,592.59
  4. Step 4: Simplify right side
    2,918.81x = 6,415,048.08
  5. Step 5: Solve for x
    x = 6,415,048.08/2,918.81
  6. Step 6: Final answer
    x = 2,197.83

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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.