Home / 3,911.29-5,867.52-1,137.60

Finding the Fourth Proportional to 3,911.29, 5,867.52 and 1,137.60

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Solution

The fourth proportional to 3,911.29, 5,867.52 and 1,137.60 is: 1,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.29 : 5,867.52 = 1,137.60 : x
  2. Step 2: Convert to fraction form
    3,911.29/5,867.52 = 1,137.60/x
  3. Step 3: Cross multiply
    3,911.29x = 5,867.52 × 1,137.60
  4. Step 4: Simplify right side
    3,911.29x = 6,674,886.49
  5. Step 5: Solve for x
    x = 6,674,886.49/3,911.29
  6. Step 6: Final answer
    x = 1,706.57

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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.