Home / 2,656.36-3,983.82-1,117

Finding the Fourth Proportional to 2,656.36, 3,983.82 and 1,117

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Solution

The fourth proportional to 2,656.36, 3,983.82 and 1,117 is: 1,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.36 : 3,983.82 = 1,117 : x
  2. Step 2: Convert to fraction form
    2,656.36/3,983.82 = 1,117/x
  3. Step 3: Cross multiply
    2,656.36x = 3,983.82 × 1,117
  4. Step 4: Simplify right side
    2,656.36x = 4,449,926.94
  5. Step 5: Solve for x
    x = 4,449,926.94/2,656.36
  6. Step 6: Final answer
    x = 1,675.20

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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.