Home / 3,610.77-5,412.05-1,529.47

Finding the Fourth Proportional to 3,610.77, 5,412.05 and 1,529.47

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Solution

The fourth proportional to 3,610.77, 5,412.05 and 1,529.47 is: 2,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.77 : 5,412.05 = 1,529.47 : x
  2. Step 2: Convert to fraction form
    3,610.77/5,412.05 = 1,529.47/x
  3. Step 3: Cross multiply
    3,610.77x = 5,412.05 × 1,529.47
  4. Step 4: Simplify right side
    3,610.77x = 8,277,568.11
  5. Step 5: Solve for x
    x = 8,277,568.11/3,610.77
  6. Step 6: Final answer
    x = 2,292.47

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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.