Home / 3,249.18-4,866.48-1,787.40

Finding the Fourth Proportional to 3,249.18, 4,866.48 and 1,787.40

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Solution

The fourth proportional to 3,249.18, 4,866.48 and 1,787.40 is: 2,677.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.18 : 4,866.48 = 1,787.40 : x
  2. Step 2: Convert to fraction form
    3,249.18/4,866.48 = 1,787.40/x
  3. Step 3: Cross multiply
    3,249.18x = 4,866.48 × 1,787.40
  4. Step 4: Simplify right side
    3,249.18x = 8,698,346.35
  5. Step 5: Solve for x
    x = 8,698,346.35/3,249.18
  6. Step 6: Final answer
    x = 2,677.09

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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.