Home / 3,012.67-4,159.88-2,005.35

Finding the Fourth Proportional to 3,012.67, 4,159.88 and 2,005.35

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Solution

The fourth proportional to 3,012.67, 4,159.88 and 2,005.35 is: 2,768.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.67 : 4,159.88 = 2,005.35 : x
  2. Step 2: Convert to fraction form
    3,012.67/4,159.88 = 2,005.35/x
  3. Step 3: Cross multiply
    3,012.67x = 4,159.88 × 2,005.35
  4. Step 4: Simplify right side
    3,012.67x = 8,342,015.36
  5. Step 5: Solve for x
    x = 8,342,015.36/3,012.67
  6. Step 6: Final answer
    x = 2,768.98

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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.