Home / 3,426.76-5,139.48-1,235.32

Finding the Fourth Proportional to 3,426.76, 5,139.48 and 1,235.32

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Solution

The fourth proportional to 3,426.76, 5,139.48 and 1,235.32 is: 1,852.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.76 : 5,139.48 = 1,235.32 : x
  2. Step 2: Convert to fraction form
    3,426.76/5,139.48 = 1,235.32/x
  3. Step 3: Cross multiply
    3,426.76x = 5,139.48 × 1,235.32
  4. Step 4: Simplify right side
    3,426.76x = 6,348,902.43
  5. Step 5: Solve for x
    x = 6,348,902.43/3,426.76
  6. Step 6: Final answer
    x = 1,852.74

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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.