Home / 3,220.77-4,832.53-1,372.76

Finding the Fourth Proportional to 3,220.77, 4,832.53 and 1,372.76

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Solution

The fourth proportional to 3,220.77, 4,832.53 and 1,372.76 is: 2,059.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.77 : 4,832.53 = 1,372.76 : x
  2. Step 2: Convert to fraction form
    3,220.77/4,832.53 = 1,372.76/x
  3. Step 3: Cross multiply
    3,220.77x = 4,832.53 × 1,372.76
  4. Step 4: Simplify right side
    3,220.77x = 6,633,893.07
  5. Step 5: Solve for x
    x = 6,633,893.07/3,220.77
  6. Step 6: Final answer
    x = 2,059.72

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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.