Home / 2,939.96-4,403.46-1,783.28

Finding the Fourth Proportional to 2,939.96, 4,403.46 and 1,783.28

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Solution

The fourth proportional to 2,939.96, 4,403.46 and 1,783.28 is: 2,670.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.96 : 4,403.46 = 1,783.28 : x
  2. Step 2: Convert to fraction form
    2,939.96/4,403.46 = 1,783.28/x
  3. Step 3: Cross multiply
    2,939.96x = 4,403.46 × 1,783.28
  4. Step 4: Simplify right side
    2,939.96x = 7,852,602.15
  5. Step 5: Solve for x
    x = 7,852,602.15/2,939.96
  6. Step 6: Final answer
    x = 2,670.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.