Home / 3,404.53-5,106.32-1,325.16

Finding the Fourth Proportional to 3,404.53, 5,106.32 and 1,325.16

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Solution

The fourth proportional to 3,404.53, 5,106.32 and 1,325.16 is: 1,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.53 : 5,106.32 = 1,325.16 : x
  2. Step 2: Convert to fraction form
    3,404.53/5,106.32 = 1,325.16/x
  3. Step 3: Cross multiply
    3,404.53x = 5,106.32 × 1,325.16
  4. Step 4: Simplify right side
    3,404.53x = 6,766,696.81
  5. Step 5: Solve for x
    x = 6,766,696.81/3,404.53
  6. Step 6: Final answer
    x = 1,987.56

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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.