Home / 3,127.83-4,693.70-1,278.96

Finding the Fourth Proportional to 3,127.83, 4,693.70 and 1,278.96

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Solution

The fourth proportional to 3,127.83, 4,693.70 and 1,278.96 is: 1,919.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.83 : 4,693.70 = 1,278.96 : x
  2. Step 2: Convert to fraction form
    3,127.83/4,693.70 = 1,278.96/x
  3. Step 3: Cross multiply
    3,127.83x = 4,693.70 × 1,278.96
  4. Step 4: Simplify right side
    3,127.83x = 6,003,054.55
  5. Step 5: Solve for x
    x = 6,003,054.55/3,127.83
  6. Step 6: Final answer
    x = 1,919.24

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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.