Home / 3,834.40-5,751.60-3,656.20

Finding the Fourth Proportional to 3,834.40, 5,751.60 and 3,656.20

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Solution

The fourth proportional to 3,834.40, 5,751.60 and 3,656.20 is: 5,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.40 : 5,751.60 = 3,656.20 : x
  2. Step 2: Convert to fraction form
    3,834.40/5,751.60 = 3,656.20/x
  3. Step 3: Cross multiply
    3,834.40x = 5,751.60 × 3,656.20
  4. Step 4: Simplify right side
    3,834.40x = 21,028,999.92
  5. Step 5: Solve for x
    x = 21,028,999.92/3,834.40
  6. Step 6: Final answer
    x = 5,484.30

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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.