Home / 2,406.28-3,611.80-1,713.72

Finding the Fourth Proportional to 2,406.28, 3,611.80 and 1,713.72

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Solution

The fourth proportional to 2,406.28, 3,611.80 and 1,713.72 is: 2,572.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.28 : 3,611.80 = 1,713.72 : x
  2. Step 2: Convert to fraction form
    2,406.28/3,611.80 = 1,713.72/x
  3. Step 3: Cross multiply
    2,406.28x = 3,611.80 × 1,713.72
  4. Step 4: Simplify right side
    2,406.28x = 6,189,613.90
  5. Step 5: Solve for x
    x = 6,189,613.90/2,406.28
  6. Step 6: Final answer
    x = 2,572.28

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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.