Home / 3,941.53-5,914.58-1,478.06

Finding the Fourth Proportional to 3,941.53, 5,914.58 and 1,478.06

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Solution

The fourth proportional to 3,941.53, 5,914.58 and 1,478.06 is: 2,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.53 : 5,914.58 = 1,478.06 : x
  2. Step 2: Convert to fraction form
    3,941.53/5,914.58 = 1,478.06/x
  3. Step 3: Cross multiply
    3,941.53x = 5,914.58 × 1,478.06
  4. Step 4: Simplify right side
    3,941.53x = 8,742,122.60
  5. Step 5: Solve for x
    x = 8,742,122.60/3,941.53
  6. Step 6: Final answer
    x = 2,217.95

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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.