Home / 2,356.64-3,536.78-1,261.92

Finding the Fourth Proportional to 2,356.64, 3,536.78 and 1,261.92

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Solution

The fourth proportional to 2,356.64, 3,536.78 and 1,261.92 is: 1,893.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.64 : 3,536.78 = 1,261.92 : x
  2. Step 2: Convert to fraction form
    2,356.64/3,536.78 = 1,261.92/x
  3. Step 3: Cross multiply
    2,356.64x = 3,536.78 × 1,261.92
  4. Step 4: Simplify right side
    2,356.64x = 4,463,127.11
  5. Step 5: Solve for x
    x = 4,463,127.11/2,356.64
  6. Step 6: Final answer
    x = 1,893.86

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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.