Home / 3,218.49-4,827.18-1,026.72

Finding the Fourth Proportional to 3,218.49, 4,827.18 and 1,026.72

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Solution

The fourth proportional to 3,218.49, 4,827.18 and 1,026.72 is: 1,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.49 : 4,827.18 = 1,026.72 : x
  2. Step 2: Convert to fraction form
    3,218.49/4,827.18 = 1,026.72/x
  3. Step 3: Cross multiply
    3,218.49x = 4,827.18 × 1,026.72
  4. Step 4: Simplify right side
    3,218.49x = 4,956,162.25
  5. Step 5: Solve for x
    x = 4,956,162.25/3,218.49
  6. Step 6: Final answer
    x = 1,539.90

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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.