Home / 3,187.34-4,396.74-2,006.36

Finding the Fourth Proportional to 3,187.34, 4,396.74 and 2,006.36

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Solution

The fourth proportional to 3,187.34, 4,396.74 and 2,006.36 is: 2,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.34 : 4,396.74 = 2,006.36 : x
  2. Step 2: Convert to fraction form
    3,187.34/4,396.74 = 2,006.36/x
  3. Step 3: Cross multiply
    3,187.34x = 4,396.74 × 2,006.36
  4. Step 4: Simplify right side
    3,187.34x = 8,821,443.27
  5. Step 5: Solve for x
    x = 8,821,443.27/3,187.34
  6. Step 6: Final answer
    x = 2,767.65

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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.