Home / 3,426.76-5,141.31-1,235.68

Finding the Fourth Proportional to 3,426.76, 5,141.31 and 1,235.68

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Solution

The fourth proportional to 3,426.76, 5,141.31 and 1,235.68 is: 1,853.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.76 : 5,141.31 = 1,235.68 : x
  2. Step 2: Convert to fraction form
    3,426.76/5,141.31 = 1,235.68/x
  3. Step 3: Cross multiply
    3,426.76x = 5,141.31 × 1,235.68
  4. Step 4: Simplify right side
    3,426.76x = 6,353,013.94
  5. Step 5: Solve for x
    x = 6,353,013.94/3,426.76
  6. Step 6: Final answer
    x = 1,853.94

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1.5x scale

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.