Home / 2,580.87-3,561.40-1,696.96

Finding the Fourth Proportional to 2,580.87, 3,561.40 and 1,696.96

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Solution

The fourth proportional to 2,580.87, 3,561.40 and 1,696.96 is: 2,341.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.87 : 3,561.40 = 1,696.96 : x
  2. Step 2: Convert to fraction form
    2,580.87/3,561.40 = 1,696.96/x
  3. Step 3: Cross multiply
    2,580.87x = 3,561.40 × 1,696.96
  4. Step 4: Simplify right side
    2,580.87x = 6,043,553.34
  5. Step 5: Solve for x
    x = 6,043,553.34/2,580.87
  6. Step 6: Final answer
    x = 2,341.67

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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.