Home / 3,409.46-5,114.48-1,461.20

Finding the Fourth Proportional to 3,409.46, 5,114.48 and 1,461.20

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Solution

The fourth proportional to 3,409.46, 5,114.48 and 1,461.20 is: 2,191.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.46 : 5,114.48 = 1,461.20 : x
  2. Step 2: Convert to fraction form
    3,409.46/5,114.48 = 1,461.20/x
  3. Step 3: Cross multiply
    3,409.46x = 5,114.48 × 1,461.20
  4. Step 4: Simplify right side
    3,409.46x = 7,473,245.30
  5. Step 5: Solve for x
    x = 7,473,245.30/3,409.46
  6. Step 6: Final answer
    x = 2,191.92

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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.