Home / 3,771.28-5,657.88-1,898.32

Finding the Fourth Proportional to 3,771.28, 5,657.88 and 1,898.32

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Solution

The fourth proportional to 3,771.28, 5,657.88 and 1,898.32 is: 2,847.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.28 : 5,657.88 = 1,898.32 : x
  2. Step 2: Convert to fraction form
    3,771.28/5,657.88 = 1,898.32/x
  3. Step 3: Cross multiply
    3,771.28x = 5,657.88 × 1,898.32
  4. Step 4: Simplify right side
    3,771.28x = 10,740,466.76
  5. Step 5: Solve for x
    x = 10,740,466.76/3,771.28
  6. Step 6: Final answer
    x = 2,847.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.