Home / 2,237.30-3,087.37-1,242.64

Finding the Fourth Proportional to 2,237.30, 3,087.37 and 1,242.64

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Solution

The fourth proportional to 2,237.30, 3,087.37 and 1,242.64 is: 1,714.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.30 : 3,087.37 = 1,242.64 : x
  2. Step 2: Convert to fraction form
    2,237.30/3,087.37 = 1,242.64/x
  3. Step 3: Cross multiply
    2,237.30x = 3,087.37 × 1,242.64
  4. Step 4: Simplify right side
    2,237.30x = 3,836,478.63
  5. Step 5: Solve for x
    x = 3,836,478.63/2,237.30
  6. Step 6: Final answer
    x = 1,714.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.