Home / 2,936.78-4,052.18-1,888.70

Finding the Fourth Proportional to 2,936.78, 4,052.18 and 1,888.70

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Solution

The fourth proportional to 2,936.78, 4,052.18 and 1,888.70 is: 2,606.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.78 : 4,052.18 = 1,888.70 : x
  2. Step 2: Convert to fraction form
    2,936.78/4,052.18 = 1,888.70/x
  3. Step 3: Cross multiply
    2,936.78x = 4,052.18 × 1,888.70
  4. Step 4: Simplify right side
    2,936.78x = 7,653,352.37
  5. Step 5: Solve for x
    x = 7,653,352.37/2,936.78
  6. Step 6: Final answer
    x = 2,606.04

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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.