Home / 2,817.15-4,223.41-1,174.87

Finding the Fourth Proportional to 2,817.15, 4,223.41 and 1,174.87

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Solution

The fourth proportional to 2,817.15, 4,223.41 and 1,174.87 is: 1,761.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.15 : 4,223.41 = 1,174.87 : x
  2. Step 2: Convert to fraction form
    2,817.15/4,223.41 = 1,174.87/x
  3. Step 3: Cross multiply
    2,817.15x = 4,223.41 × 1,174.87
  4. Step 4: Simplify right side
    2,817.15x = 4,961,960.05
  5. Step 5: Solve for x
    x = 4,961,960.05/2,817.15
  6. Step 6: Final answer
    x = 1,761.34

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1.5x scale

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.