Home / 3,699.03-5,545.30-1,392.15

Finding the Fourth Proportional to 3,699.03, 5,545.30 and 1,392.15

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Solution

The fourth proportional to 3,699.03, 5,545.30 and 1,392.15 is: 2,087.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.03 : 5,545.30 = 1,392.15 : x
  2. Step 2: Convert to fraction form
    3,699.03/5,545.30 = 1,392.15/x
  3. Step 3: Cross multiply
    3,699.03x = 5,545.30 × 1,392.15
  4. Step 4: Simplify right side
    3,699.03x = 7,719,861.67
  5. Step 5: Solve for x
    x = 7,719,861.67/3,699.03
  6. Step 6: Final answer
    x = 2,087.00

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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.