Home / 2,356.78-3,536.10-1,057.96

Finding the Fourth Proportional to 2,356.78, 3,536.10 and 1,057.96

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Solution

The fourth proportional to 2,356.78, 3,536.10 and 1,057.96 is: 1,587.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.78 : 3,536.10 = 1,057.96 : x
  2. Step 2: Convert to fraction form
    2,356.78/3,536.10 = 1,057.96/x
  3. Step 3: Cross multiply
    2,356.78x = 3,536.10 × 1,057.96
  4. Step 4: Simplify right side
    2,356.78x = 3,741,052.36
  5. Step 5: Solve for x
    x = 3,741,052.36/2,356.78
  6. Step 6: Final answer
    x = 1,587.36

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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.