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Finding the Fourth Proportional to 3,003.78, 4,501.80 and 1,246.80

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Solution

The fourth proportional to 3,003.78, 4,501.80 and 1,246.80 is: 1,868.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.78 : 4,501.80 = 1,246.80 : x
  2. Step 2: Convert to fraction form
    3,003.78/4,501.80 = 1,246.80/x
  3. Step 3: Cross multiply
    3,003.78x = 4,501.80 × 1,246.80
  4. Step 4: Simplify right side
    3,003.78x = 5,612,844.24
  5. Step 5: Solve for x
    x = 5,612,844.24/3,003.78
  6. Step 6: Final answer
    x = 1,868.59

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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.