Home / 3,189.48-4,401.50-1,773.18

Finding the Fourth Proportional to 3,189.48, 4,401.50 and 1,773.18

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Solution

The fourth proportional to 3,189.48, 4,401.50 and 1,773.18 is: 2,447.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.48 : 4,401.50 = 1,773.18 : x
  2. Step 2: Convert to fraction form
    3,189.48/4,401.50 = 1,773.18/x
  3. Step 3: Cross multiply
    3,189.48x = 4,401.50 × 1,773.18
  4. Step 4: Simplify right side
    3,189.48x = 7,804,651.77
  5. Step 5: Solve for x
    x = 7,804,651.77/3,189.48
  6. Step 6: Final answer
    x = 2,447.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.