Home / 3,029.50-4,179.03-2,560.21

Finding the Fourth Proportional to 3,029.50, 4,179.03 and 2,560.21

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Solution

The fourth proportional to 3,029.50, 4,179.03 and 2,560.21 is: 3,531.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.50 : 4,179.03 = 2,560.21 : x
  2. Step 2: Convert to fraction form
    3,029.50/4,179.03 = 2,560.21/x
  3. Step 3: Cross multiply
    3,029.50x = 4,179.03 × 2,560.21
  4. Step 4: Simplify right side
    3,029.50x = 10,699,194.40
  5. Step 5: Solve for x
    x = 10,699,194.40/3,029.50
  6. Step 6: Final answer
    x = 3,531.67

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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.