Home / 3,884.50-5,826.60-1,287.41

Finding the Fourth Proportional to 3,884.50, 5,826.60 and 1,287.41

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Solution

The fourth proportional to 3,884.50, 5,826.60 and 1,287.41 is: 1,931.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.50 : 5,826.60 = 1,287.41 : x
  2. Step 2: Convert to fraction form
    3,884.50/5,826.60 = 1,287.41/x
  3. Step 3: Cross multiply
    3,884.50x = 5,826.60 × 1,287.41
  4. Step 4: Simplify right side
    3,884.50x = 7,501,223.11
  5. Step 5: Solve for x
    x = 7,501,223.11/3,884.50
  6. Step 6: Final answer
    x = 1,931.07

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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.