Home / 3,215.10-4,817.46-1,824.30

Finding the Fourth Proportional to 3,215.10, 4,817.46 and 1,824.30

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Solution

The fourth proportional to 3,215.10, 4,817.46 and 1,824.30 is: 2,733.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.10 : 4,817.46 = 1,824.30 : x
  2. Step 2: Convert to fraction form
    3,215.10/4,817.46 = 1,824.30/x
  3. Step 3: Cross multiply
    3,215.10x = 4,817.46 × 1,824.30
  4. Step 4: Simplify right side
    3,215.10x = 8,788,492.28
  5. Step 5: Solve for x
    x = 8,788,492.28/3,215.10
  6. Step 6: Final answer
    x = 2,733.51

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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.