Home / 3,236.20-4,466.01-1,820.19

Finding the Fourth Proportional to 3,236.20, 4,466.01 and 1,820.19

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Solution

The fourth proportional to 3,236.20, 4,466.01 and 1,820.19 is: 2,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.20 : 4,466.01 = 1,820.19 : x
  2. Step 2: Convert to fraction form
    3,236.20/4,466.01 = 1,820.19/x
  3. Step 3: Cross multiply
    3,236.20x = 4,466.01 × 1,820.19
  4. Step 4: Simplify right side
    3,236.20x = 8,128,964.41
  5. Step 5: Solve for x
    x = 8,128,964.41/3,236.20
  6. Step 6: Final answer
    x = 2,511.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.