Home / 3,003.30-4,143.90-1,823.70

Finding the Fourth Proportional to 3,003.30, 4,143.90 and 1,823.70

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Solution

The fourth proportional to 3,003.30, 4,143.90 and 1,823.70 is: 2,516.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.30 : 4,143.90 = 1,823.70 : x
  2. Step 2: Convert to fraction form
    3,003.30/4,143.90 = 1,823.70/x
  3. Step 3: Cross multiply
    3,003.30x = 4,143.90 × 1,823.70
  4. Step 4: Simplify right side
    3,003.30x = 7,557,230.43
  5. Step 5: Solve for x
    x = 7,557,230.43/3,003.30
  6. Step 6: Final answer
    x = 2,516.31

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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.