Home / 3,218.32-4,827.55-1,026.80

Finding the Fourth Proportional to 3,218.32, 4,827.55 and 1,026.80

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Solution

The fourth proportional to 3,218.32, 4,827.55 and 1,026.80 is: 1,540.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.32 : 4,827.55 = 1,026.80 : x
  2. Step 2: Convert to fraction form
    3,218.32/4,827.55 = 1,026.80/x
  3. Step 3: Cross multiply
    3,218.32x = 4,827.55 × 1,026.80
  4. Step 4: Simplify right side
    3,218.32x = 4,956,928.34
  5. Step 5: Solve for x
    x = 4,956,928.34/3,218.32
  6. Step 6: Final answer
    x = 1,540.22

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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.