Home / 3,107.15-4,656.03-1,873.18

Finding the Fourth Proportional to 3,107.15, 4,656.03 and 1,873.18

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Solution

The fourth proportional to 3,107.15, 4,656.03 and 1,873.18 is: 2,806.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.15 : 4,656.03 = 1,873.18 : x
  2. Step 2: Convert to fraction form
    3,107.15/4,656.03 = 1,873.18/x
  3. Step 3: Cross multiply
    3,107.15x = 4,656.03 × 1,873.18
  4. Step 4: Simplify right side
    3,107.15x = 8,721,582.28
  5. Step 5: Solve for x
    x = 8,721,582.28/3,107.15
  6. Step 6: Final answer
    x = 2,806.94

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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.