Home / 3,712.45-5,564.66-1,859.89

Finding the Fourth Proportional to 3,712.45, 5,564.66 and 1,859.89

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Solution

The fourth proportional to 3,712.45, 5,564.66 and 1,859.89 is: 2,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.45 : 5,564.66 = 1,859.89 : x
  2. Step 2: Convert to fraction form
    3,712.45/5,564.66 = 1,859.89/x
  3. Step 3: Cross multiply
    3,712.45x = 5,564.66 × 1,859.89
  4. Step 4: Simplify right side
    3,712.45x = 10,349,655.49
  5. Step 5: Solve for x
    x = 10,349,655.49/3,712.45
  6. Step 6: Final answer
    x = 2,787.82

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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.