Home / 3,039.52-4,194.48-1,780.84

Finding the Fourth Proportional to 3,039.52, 4,194.48 and 1,780.84

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Solution

The fourth proportional to 3,039.52, 4,194.48 and 1,780.84 is: 2,457.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.52 : 4,194.48 = 1,780.84 : x
  2. Step 2: Convert to fraction form
    3,039.52/4,194.48 = 1,780.84/x
  3. Step 3: Cross multiply
    3,039.52x = 4,194.48 × 1,780.84
  4. Step 4: Simplify right side
    3,039.52x = 7,469,697.76
  5. Step 5: Solve for x
    x = 7,469,697.76/3,039.52
  6. Step 6: Final answer
    x = 2,457.53

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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.