Home / 3,236.79-4,466.88-1,977.69

Finding the Fourth Proportional to 3,236.79, 4,466.88 and 1,977.69

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Solution

The fourth proportional to 3,236.79, 4,466.88 and 1,977.69 is: 2,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.79 : 4,466.88 = 1,977.69 : x
  2. Step 2: Convert to fraction form
    3,236.79/4,466.88 = 1,977.69/x
  3. Step 3: Cross multiply
    3,236.79x = 4,466.88 × 1,977.69
  4. Step 4: Simplify right side
    3,236.79x = 8,834,103.91
  5. Step 5: Solve for x
    x = 8,834,103.91/3,236.79
  6. Step 6: Final answer
    x = 2,729.28

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Double scale
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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.