Home / 2,406.48-3,611.28-1,108.08

Finding the Fourth Proportional to 2,406.48, 3,611.28 and 1,108.08

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Solution

The fourth proportional to 2,406.48, 3,611.28 and 1,108.08 is: 1,662.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.48 : 3,611.28 = 1,108.08 : x
  2. Step 2: Convert to fraction form
    2,406.48/3,611.28 = 1,108.08/x
  3. Step 3: Cross multiply
    2,406.48x = 3,611.28 × 1,108.08
  4. Step 4: Simplify right side
    2,406.48x = 4,001,587.14
  5. Step 5: Solve for x
    x = 4,001,587.14/2,406.48
  6. Step 6: Final answer
    x = 1,662.84

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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.