Home / 3,396.04-5,093.70-931.12

Finding the Fourth Proportional to 3,396.04, 5,093.70 and 931.12

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Solution

The fourth proportional to 3,396.04, 5,093.70 and 931.12 is: 1,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.04 : 5,093.70 = 931.12 : x
  2. Step 2: Convert to fraction form
    3,396.04/5,093.70 = 931.12/x
  3. Step 3: Cross multiply
    3,396.04x = 5,093.70 × 931.12
  4. Step 4: Simplify right side
    3,396.04x = 4,742,845.94
  5. Step 5: Solve for x
    x = 4,742,845.94/3,396.04
  6. Step 6: Final answer
    x = 1,396.58

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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.