Home / 2,116-2,910.36-1,853.56

Finding the Fourth Proportional to 2,116, 2,910.36 and 1,853.56

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Solution

The fourth proportional to 2,116, 2,910.36 and 1,853.56 is: 2,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116 : 2,910.36 = 1,853.56 : x
  2. Step 2: Convert to fraction form
    2,116/2,910.36 = 1,853.56/x
  3. Step 3: Cross multiply
    2,116x = 2,910.36 × 1,853.56
  4. Step 4: Simplify right side
    2,116x = 5,394,526.88
  5. Step 5: Solve for x
    x = 5,394,526.88/2,116
  6. Step 6: Final answer
    x = 2,549.40

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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.