Home / 3,378.70-4,657.50-2,631.34

Finding the Fourth Proportional to 3,378.70, 4,657.50 and 2,631.34

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Solution

The fourth proportional to 3,378.70, 4,657.50 and 2,631.34 is: 3,627.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.70 : 4,657.50 = 2,631.34 : x
  2. Step 2: Convert to fraction form
    3,378.70/4,657.50 = 2,631.34/x
  3. Step 3: Cross multiply
    3,378.70x = 4,657.50 × 2,631.34
  4. Step 4: Simplify right side
    3,378.70x = 12,255,466.05
  5. Step 5: Solve for x
    x = 12,255,466.05/3,378.70
  6. Step 6: Final answer
    x = 3,627.27

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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.