Home / 3,003.78-4,505.75-1,055.99

Finding the Fourth Proportional to 3,003.78, 4,505.75 and 1,055.99

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Solution

The fourth proportional to 3,003.78, 4,505.75 and 1,055.99 is: 1,584.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.78 : 4,505.75 = 1,055.99 : x
  2. Step 2: Convert to fraction form
    3,003.78/4,505.75 = 1,055.99/x
  3. Step 3: Cross multiply
    3,003.78x = 4,505.75 × 1,055.99
  4. Step 4: Simplify right side
    3,003.78x = 4,758,014.51
  5. Step 5: Solve for x
    x = 4,758,014.51/3,003.78
  6. Step 6: Final answer
    x = 1,584.01

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1.5x scale

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.