Home / 2,116.64-3,170.70-1,017.68

Finding the Fourth Proportional to 2,116.64, 3,170.70 and 1,017.68

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Solution

The fourth proportional to 2,116.64, 3,170.70 and 1,017.68 is: 1,524.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.64 : 3,170.70 = 1,017.68 : x
  2. Step 2: Convert to fraction form
    2,116.64/3,170.70 = 1,017.68/x
  3. Step 3: Cross multiply
    2,116.64x = 3,170.70 × 1,017.68
  4. Step 4: Simplify right side
    2,116.64x = 3,226,757.98
  5. Step 5: Solve for x
    x = 3,226,757.98/2,116.64
  6. Step 6: Final answer
    x = 1,524.47

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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.