Home / 3,250.18-4,867.98-1,788.40

Finding the Fourth Proportional to 3,250.18, 4,867.98 and 1,788.40

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Solution

The fourth proportional to 3,250.18, 4,867.98 and 1,788.40 is: 2,678.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.18 : 4,867.98 = 1,788.40 : x
  2. Step 2: Convert to fraction form
    3,250.18/4,867.98 = 1,788.40/x
  3. Step 3: Cross multiply
    3,250.18x = 4,867.98 × 1,788.40
  4. Step 4: Simplify right side
    3,250.18x = 8,705,895.43
  5. Step 5: Solve for x
    x = 8,705,895.43/3,250.18
  6. Step 6: Final answer
    x = 2,678.59

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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.