Home / 3,605.56-5,405.82-1,656.70

Finding the Fourth Proportional to 3,605.56, 5,405.82 and 1,656.70

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Solution

The fourth proportional to 3,605.56, 5,405.82 and 1,656.70 is: 2,483.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.56 : 5,405.82 = 1,656.70 : x
  2. Step 2: Convert to fraction form
    3,605.56/5,405.82 = 1,656.70/x
  3. Step 3: Cross multiply
    3,605.56x = 5,405.82 × 1,656.70
  4. Step 4: Simplify right side
    3,605.56x = 8,955,821.99
  5. Step 5: Solve for x
    x = 8,955,821.99/3,605.56
  6. Step 6: Final answer
    x = 2,483.89

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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.