Home / 2,418.99-3,630.39-1,102.84

Finding the Fourth Proportional to 2,418.99, 3,630.39 and 1,102.84

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Solution

The fourth proportional to 2,418.99, 3,630.39 and 1,102.84 is: 1,655.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.99 : 3,630.39 = 1,102.84 : x
  2. Step 2: Convert to fraction form
    2,418.99/3,630.39 = 1,102.84/x
  3. Step 3: Cross multiply
    2,418.99x = 3,630.39 × 1,102.84
  4. Step 4: Simplify right side
    2,418.99x = 4,003,739.31
  5. Step 5: Solve for x
    x = 4,003,739.31/2,418.99
  6. Step 6: Final answer
    x = 1,655.13

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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.