Home / 3,124.19-4,310.09-2,004.89

Finding the Fourth Proportional to 3,124.19, 4,310.09 and 2,004.89

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Solution

The fourth proportional to 3,124.19, 4,310.09 and 2,004.89 is: 2,765.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.19 : 4,310.09 = 2,004.89 : x
  2. Step 2: Convert to fraction form
    3,124.19/4,310.09 = 2,004.89/x
  3. Step 3: Cross multiply
    3,124.19x = 4,310.09 × 2,004.89
  4. Step 4: Simplify right side
    3,124.19x = 8,641,246.32
  5. Step 5: Solve for x
    x = 8,641,246.32/3,124.19
  6. Step 6: Final answer
    x = 2,765.92

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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.