Home / 2,175.16-3,263.23-942.77

Finding the Fourth Proportional to 2,175.16, 3,263.23 and 942.77

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Solution

The fourth proportional to 2,175.16, 3,263.23 and 942.77 is: 1,414.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.16 : 3,263.23 = 942.77 : x
  2. Step 2: Convert to fraction form
    2,175.16/3,263.23 = 942.77/x
  3. Step 3: Cross multiply
    2,175.16x = 3,263.23 × 942.77
  4. Step 4: Simplify right side
    2,175.16x = 3,076,475.35
  5. Step 5: Solve for x
    x = 3,076,475.35/2,175.16
  6. Step 6: Final answer
    x = 1,414.37

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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.