Home / 3,776.16-5,664.96-1,178.56

Finding the Fourth Proportional to 3,776.16, 5,664.96 and 1,178.56

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Solution

The fourth proportional to 3,776.16, 5,664.96 and 1,178.56 is: 1,768.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.16 : 5,664.96 = 1,178.56 : x
  2. Step 2: Convert to fraction form
    3,776.16/5,664.96 = 1,178.56/x
  3. Step 3: Cross multiply
    3,776.16x = 5,664.96 × 1,178.56
  4. Step 4: Simplify right side
    3,776.16x = 6,676,495.26
  5. Step 5: Solve for x
    x = 6,676,495.26/3,776.16
  6. Step 6: Final answer
    x = 1,768.06

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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.