Home / 2,442.15-3,660.80-1,210.44

Finding the Fourth Proportional to 2,442.15, 3,660.80 and 1,210.44

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Solution

The fourth proportional to 2,442.15, 3,660.80 and 1,210.44 is: 1,814.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.15 : 3,660.80 = 1,210.44 : x
  2. Step 2: Convert to fraction form
    2,442.15/3,660.80 = 1,210.44/x
  3. Step 3: Cross multiply
    2,442.15x = 3,660.80 × 1,210.44
  4. Step 4: Simplify right side
    2,442.15x = 4,431,186.43
  5. Step 5: Solve for x
    x = 4,431,186.43/2,442.15
  6. Step 6: Final answer
    x = 1,814.46

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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.