Home / 3,285.87-4,928.81-2,455.35

Finding the Fourth Proportional to 3,285.87, 4,928.81 and 2,455.35

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Solution

The fourth proportional to 3,285.87, 4,928.81 and 2,455.35 is: 3,683.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.87 : 4,928.81 = 2,455.35 : x
  2. Step 2: Convert to fraction form
    3,285.87/4,928.81 = 2,455.35/x
  3. Step 3: Cross multiply
    3,285.87x = 4,928.81 × 2,455.35
  4. Step 4: Simplify right side
    3,285.87x = 12,101,941.36
  5. Step 5: Solve for x
    x = 12,101,941.36/3,285.87
  6. Step 6: Final answer
    x = 3,683.03

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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.