Home / 3,217.56-4,828.50-1,486.20

Finding the Fourth Proportional to 3,217.56, 4,828.50 and 1,486.20

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Solution

The fourth proportional to 3,217.56, 4,828.50 and 1,486.20 is: 2,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.56 : 4,828.50 = 1,486.20 : x
  2. Step 2: Convert to fraction form
    3,217.56/4,828.50 = 1,486.20/x
  3. Step 3: Cross multiply
    3,217.56x = 4,828.50 × 1,486.20
  4. Step 4: Simplify right side
    3,217.56x = 7,176,116.70
  5. Step 5: Solve for x
    x = 7,176,116.70/3,217.56
  6. Step 6: Final answer
    x = 2,230.30

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1.5x scale

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.