Home / 3,426.33-5,139.77-1,235.28

Finding the Fourth Proportional to 3,426.33, 5,139.77 and 1,235.28

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Solution

The fourth proportional to 3,426.33, 5,139.77 and 1,235.28 is: 1,853.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.33 : 5,139.77 = 1,235.28 : x
  2. Step 2: Convert to fraction form
    3,426.33/5,139.77 = 1,235.28/x
  3. Step 3: Cross multiply
    3,426.33x = 5,139.77 × 1,235.28
  4. Step 4: Simplify right side
    3,426.33x = 6,349,048.91
  5. Step 5: Solve for x
    x = 6,349,048.91/3,426.33
  6. Step 6: Final answer
    x = 1,853.02

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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.