Home / 3,652.56-5,477.69-1,186.81

Finding the Fourth Proportional to 3,652.56, 5,477.69 and 1,186.81

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Solution

The fourth proportional to 3,652.56, 5,477.69 and 1,186.81 is: 1,779.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.56 : 5,477.69 = 1,186.81 : x
  2. Step 2: Convert to fraction form
    3,652.56/5,477.69 = 1,186.81/x
  3. Step 3: Cross multiply
    3,652.56x = 5,477.69 × 1,186.81
  4. Step 4: Simplify right side
    3,652.56x = 6,500,966.54
  5. Step 5: Solve for x
    x = 6,500,966.54/3,652.56
  6. Step 6: Final answer
    x = 1,779.84

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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.