Home / 2,260.80-3,390.48-1,165.02

Finding the Fourth Proportional to 2,260.80, 3,390.48 and 1,165.02

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Solution

The fourth proportional to 2,260.80, 3,390.48 and 1,165.02 is: 1,747.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.80 : 3,390.48 = 1,165.02 : x
  2. Step 2: Convert to fraction form
    2,260.80/3,390.48 = 1,165.02/x
  3. Step 3: Cross multiply
    2,260.80x = 3,390.48 × 1,165.02
  4. Step 4: Simplify right side
    2,260.80x = 3,949,977.01
  5. Step 5: Solve for x
    x = 3,949,977.01/2,260.80
  6. Step 6: Final answer
    x = 1,747.16

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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.