Home / 3,905.24-5,859.18-1,712.84

Finding the Fourth Proportional to 3,905.24, 5,859.18 and 1,712.84

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Solution

The fourth proportional to 3,905.24, 5,859.18 and 1,712.84 is: 2,569.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.24 : 5,859.18 = 1,712.84 : x
  2. Step 2: Convert to fraction form
    3,905.24/5,859.18 = 1,712.84/x
  3. Step 3: Cross multiply
    3,905.24x = 5,859.18 × 1,712.84
  4. Step 4: Simplify right side
    3,905.24x = 10,035,837.87
  5. Step 5: Solve for x
    x = 10,035,837.87/3,905.24
  6. Step 6: Final answer
    x = 2,569.84

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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.