Home / 3,295.23-4,909.57-3,138.50

Finding the Fourth Proportional to 3,295.23, 4,909.57 and 3,138.50

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Solution

The fourth proportional to 3,295.23, 4,909.57 and 3,138.50 is: 4,676.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.23 : 4,909.57 = 3,138.50 : x
  2. Step 2: Convert to fraction form
    3,295.23/4,909.57 = 3,138.50/x
  3. Step 3: Cross multiply
    3,295.23x = 4,909.57 × 3,138.50
  4. Step 4: Simplify right side
    3,295.23x = 15,408,653.05
  5. Step 5: Solve for x
    x = 15,408,653.05/3,295.23
  6. Step 6: Final answer
    x = 4,676.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.