Home / 3,461.20-5,190.52-1,269.36

Finding the Fourth Proportional to 3,461.20, 5,190.52 and 1,269.36

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Solution

The fourth proportional to 3,461.20, 5,190.52 and 1,269.36 is: 1,903.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.20 : 5,190.52 = 1,269.36 : x
  2. Step 2: Convert to fraction form
    3,461.20/5,190.52 = 1,269.36/x
  3. Step 3: Cross multiply
    3,461.20x = 5,190.52 × 1,269.36
  4. Step 4: Simplify right side
    3,461.20x = 6,588,638.47
  5. Step 5: Solve for x
    x = 6,588,638.47/3,461.20
  6. Step 6: Final answer
    x = 1,903.57

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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.