Home / 2,918.19-4,026.99-1,659.30

Finding the Fourth Proportional to 2,918.19, 4,026.99 and 1,659.30

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Solution

The fourth proportional to 2,918.19, 4,026.99 and 1,659.30 is: 2,289.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.19 : 4,026.99 = 1,659.30 : x
  2. Step 2: Convert to fraction form
    2,918.19/4,026.99 = 1,659.30/x
  3. Step 3: Cross multiply
    2,918.19x = 4,026.99 × 1,659.30
  4. Step 4: Simplify right side
    2,918.19x = 6,681,975.63
  5. Step 5: Solve for x
    x = 6,681,975.63/2,918.19
  6. Step 6: Final answer
    x = 2,289.76

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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.