Home / 3,431.33-5,147.86-1,583.74

Finding the Fourth Proportional to 3,431.33, 5,147.86 and 1,583.74

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Solution

The fourth proportional to 3,431.33, 5,147.86 and 1,583.74 is: 2,376.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.33 : 5,147.86 = 1,583.74 : x
  2. Step 2: Convert to fraction form
    3,431.33/5,147.86 = 1,583.74/x
  3. Step 3: Cross multiply
    3,431.33x = 5,147.86 × 1,583.74
  4. Step 4: Simplify right side
    3,431.33x = 8,152,877.24
  5. Step 5: Solve for x
    x = 8,152,877.24/3,431.33
  6. Step 6: Final answer
    x = 2,376.01

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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.