Home / 3,712.43-5,567.74-1,521.79

Finding the Fourth Proportional to 3,712.43, 5,567.74 and 1,521.79

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Solution

The fourth proportional to 3,712.43, 5,567.74 and 1,521.79 is: 2,282.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.43 : 5,567.74 = 1,521.79 : x
  2. Step 2: Convert to fraction form
    3,712.43/5,567.74 = 1,521.79/x
  3. Step 3: Cross multiply
    3,712.43x = 5,567.74 × 1,521.79
  4. Step 4: Simplify right side
    3,712.43x = 8,472,913.33
  5. Step 5: Solve for x
    x = 8,472,913.33/3,712.43
  6. Step 6: Final answer
    x = 2,282.31

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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.