Home / 3,719.97-5,580.50-1,770.57

Finding the Fourth Proportional to 3,719.97, 5,580.50 and 1,770.57

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Solution

The fourth proportional to 3,719.97, 5,580.50 and 1,770.57 is: 2,656.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.97 : 5,580.50 = 1,770.57 : x
  2. Step 2: Convert to fraction form
    3,719.97/5,580.50 = 1,770.57/x
  3. Step 3: Cross multiply
    3,719.97x = 5,580.50 × 1,770.57
  4. Step 4: Simplify right side
    3,719.97x = 9,880,657.03
  5. Step 5: Solve for x
    x = 9,880,657.03/3,719.97
  6. Step 6: Final answer
    x = 2,656.11

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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.