Home / 3,039.53-4,195.60-1,780.99

Finding the Fourth Proportional to 3,039.53, 4,195.60 and 1,780.99

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Solution

The fourth proportional to 3,039.53, 4,195.60 and 1,780.99 is: 2,458.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.53 : 4,195.60 = 1,780.99 : x
  2. Step 2: Convert to fraction form
    3,039.53/4,195.60 = 1,780.99/x
  3. Step 3: Cross multiply
    3,039.53x = 4,195.60 × 1,780.99
  4. Step 4: Simplify right side
    3,039.53x = 7,472,321.64
  5. Step 5: Solve for x
    x = 7,472,321.64/3,039.53
  6. Step 6: Final answer
    x = 2,458.38

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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.