Home / 3,712.29-5,567.89-1,403.25

Finding the Fourth Proportional to 3,712.29, 5,567.89 and 1,403.25

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Solution

The fourth proportional to 3,712.29, 5,567.89 and 1,403.25 is: 2,104.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.29 : 5,567.89 = 1,403.25 : x
  2. Step 2: Convert to fraction form
    3,712.29/5,567.89 = 1,403.25/x
  3. Step 3: Cross multiply
    3,712.29x = 5,567.89 × 1,403.25
  4. Step 4: Simplify right side
    3,712.29x = 7,813,141.64
  5. Step 5: Solve for x
    x = 7,813,141.64/3,712.29
  6. Step 6: Final answer
    x = 2,104.67

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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.