Home / 2,866.20-4,304.58-1,719

Finding the Fourth Proportional to 2,866.20, 4,304.58 and 1,719

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Solution

The fourth proportional to 2,866.20, 4,304.58 and 1,719 is: 2,581.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.20 : 4,304.58 = 1,719 : x
  2. Step 2: Convert to fraction form
    2,866.20/4,304.58 = 1,719/x
  3. Step 3: Cross multiply
    2,866.20x = 4,304.58 × 1,719
  4. Step 4: Simplify right side
    2,866.20x = 7,399,573.02
  5. Step 5: Solve for x
    x = 7,399,573.02/2,866.20
  6. Step 6: Final answer
    x = 2,581.67

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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.