Home / 2,927.20-4,034-2,087.92

Finding the Fourth Proportional to 2,927.20, 4,034 and 2,087.92

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Solution

The fourth proportional to 2,927.20, 4,034 and 2,087.92 is: 2,877.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.20 : 4,034 = 2,087.92 : x
  2. Step 2: Convert to fraction form
    2,927.20/4,034 = 2,087.92/x
  3. Step 3: Cross multiply
    2,927.20x = 4,034 × 2,087.92
  4. Step 4: Simplify right side
    2,927.20x = 8,422,669.28
  5. Step 5: Solve for x
    x = 8,422,669.28/2,927.20
  6. Step 6: Final answer
    x = 2,877.38

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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.