Home / 2,936.97-4,051.47-1,817.55

Finding the Fourth Proportional to 2,936.97, 4,051.47 and 1,817.55

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Solution

The fourth proportional to 2,936.97, 4,051.47 and 1,817.55 is: 2,507.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.97 : 4,051.47 = 1,817.55 : x
  2. Step 2: Convert to fraction form
    2,936.97/4,051.47 = 1,817.55/x
  3. Step 3: Cross multiply
    2,936.97x = 4,051.47 × 1,817.55
  4. Step 4: Simplify right side
    2,936.97x = 7,363,749.30
  5. Step 5: Solve for x
    x = 7,363,749.30/2,936.97
  6. Step 6: Final answer
    x = 2,507.26

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1.5x scale

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.