Home / 2,880.98-4,321.73-1,237.15

Finding the Fourth Proportional to 2,880.98, 4,321.73 and 1,237.15

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Solution

The fourth proportional to 2,880.98, 4,321.73 and 1,237.15 is: 1,855.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.98 : 4,321.73 = 1,237.15 : x
  2. Step 2: Convert to fraction form
    2,880.98/4,321.73 = 1,237.15/x
  3. Step 3: Cross multiply
    2,880.98x = 4,321.73 × 1,237.15
  4. Step 4: Simplify right side
    2,880.98x = 5,346,600.48
  5. Step 5: Solve for x
    x = 5,346,600.48/2,880.98
  6. Step 6: Final answer
    x = 1,855.83

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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.