Home / 3,128.48-4,694.08-2,434.11

Finding the Fourth Proportional to 3,128.48, 4,694.08 and 2,434.11

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Solution

The fourth proportional to 3,128.48, 4,694.08 and 2,434.11 is: 3,652.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128.48 : 4,694.08 = 2,434.11 : x
  2. Step 2: Convert to fraction form
    3,128.48/4,694.08 = 2,434.11/x
  3. Step 3: Cross multiply
    3,128.48x = 4,694.08 × 2,434.11
  4. Step 4: Simplify right side
    3,128.48x = 11,425,907.07
  5. Step 5: Solve for x
    x = 11,425,907.07/3,128.48
  6. Step 6: Final answer
    x = 3,652.22

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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.