Home / 2,937.86-4,054.04-1,678.96

Finding the Fourth Proportional to 2,937.86, 4,054.04 and 1,678.96

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Solution

The fourth proportional to 2,937.86, 4,054.04 and 1,678.96 is: 2,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.86 : 4,054.04 = 1,678.96 : x
  2. Step 2: Convert to fraction form
    2,937.86/4,054.04 = 1,678.96/x
  3. Step 3: Cross multiply
    2,937.86x = 4,054.04 × 1,678.96
  4. Step 4: Simplify right side
    2,937.86x = 6,806,571.00
  5. Step 5: Solve for x
    x = 6,806,571.00/2,937.86
  6. Step 6: Final answer
    x = 2,316.85

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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.