Home / 2,651.70-3,983.67-1,667.58

Finding the Fourth Proportional to 2,651.70, 3,983.67 and 1,667.58

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Solution

The fourth proportional to 2,651.70, 3,983.67 and 1,667.58 is: 2,505.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.70 : 3,983.67 = 1,667.58 : x
  2. Step 2: Convert to fraction form
    2,651.70/3,983.67 = 1,667.58/x
  3. Step 3: Cross multiply
    2,651.70x = 3,983.67 × 1,667.58
  4. Step 4: Simplify right side
    2,651.70x = 6,643,088.42
  5. Step 5: Solve for x
    x = 6,643,088.42/2,651.70
  6. Step 6: Final answer
    x = 2,505.22

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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.