Home / 3,723.12-5,580.84-1,413

Finding the Fourth Proportional to 3,723.12, 5,580.84 and 1,413

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Solution

The fourth proportional to 3,723.12, 5,580.84 and 1,413 is: 2,118.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.12 : 5,580.84 = 1,413 : x
  2. Step 2: Convert to fraction form
    3,723.12/5,580.84 = 1,413/x
  3. Step 3: Cross multiply
    3,723.12x = 5,580.84 × 1,413
  4. Step 4: Simplify right side
    3,723.12x = 7,885,726.92
  5. Step 5: Solve for x
    x = 7,885,726.92/3,723.12
  6. Step 6: Final answer
    x = 2,118.04

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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.