Home / 2,442.57-3,661.10-1,210.86

Finding the Fourth Proportional to 2,442.57, 3,661.10 and 1,210.86

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Solution

The fourth proportional to 2,442.57, 3,661.10 and 1,210.86 is: 1,814.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.57 : 3,661.10 = 1,210.86 : x
  2. Step 2: Convert to fraction form
    2,442.57/3,661.10 = 1,210.86/x
  3. Step 3: Cross multiply
    2,442.57x = 3,661.10 × 1,210.86
  4. Step 4: Simplify right side
    2,442.57x = 4,433,078.03
  5. Step 5: Solve for x
    x = 4,433,078.03/2,442.57
  6. Step 6: Final answer
    x = 1,814.93

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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.