Home / 2,880.93-4,322.31-1,321.62

Finding the Fourth Proportional to 2,880.93, 4,322.31 and 1,321.62

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Solution

The fourth proportional to 2,880.93, 4,322.31 and 1,321.62 is: 1,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.93 : 4,322.31 = 1,321.62 : x
  2. Step 2: Convert to fraction form
    2,880.93/4,322.31 = 1,321.62/x
  3. Step 3: Cross multiply
    2,880.93x = 4,322.31 × 1,321.62
  4. Step 4: Simplify right side
    2,880.93x = 5,712,451.34
  5. Step 5: Solve for x
    x = 5,712,451.34/2,880.93
  6. Step 6: Final answer
    x = 1,982.85

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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.