Home / 2,837.47-4,258.65-1,107.31

Finding the Fourth Proportional to 2,837.47, 4,258.65 and 1,107.31

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Solution

The fourth proportional to 2,837.47, 4,258.65 and 1,107.31 is: 1,661.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.47 : 4,258.65 = 1,107.31 : x
  2. Step 2: Convert to fraction form
    2,837.47/4,258.65 = 1,107.31/x
  3. Step 3: Cross multiply
    2,837.47x = 4,258.65 × 1,107.31
  4. Step 4: Simplify right side
    2,837.47x = 4,715,645.73
  5. Step 5: Solve for x
    x = 4,715,645.73/2,837.47
  6. Step 6: Final answer
    x = 1,661.92

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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.