Home / 2,758.64-4,130.56-2,321.24

Finding the Fourth Proportional to 2,758.64, 4,130.56 and 2,321.24

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Solution

The fourth proportional to 2,758.64, 4,130.56 and 2,321.24 is: 3,475.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.64 : 4,130.56 = 2,321.24 : x
  2. Step 2: Convert to fraction form
    2,758.64/4,130.56 = 2,321.24/x
  3. Step 3: Cross multiply
    2,758.64x = 4,130.56 × 2,321.24
  4. Step 4: Simplify right side
    2,758.64x = 9,588,021.09
  5. Step 5: Solve for x
    x = 9,588,021.09/2,758.64
  6. Step 6: Final answer
    x = 3,475.63

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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.