Home / 3,265.79-4,506.57-1,939.59

Finding the Fourth Proportional to 3,265.79, 4,506.57 and 1,939.59

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Solution

The fourth proportional to 3,265.79, 4,506.57 and 1,939.59 is: 2,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.79 : 4,506.57 = 1,939.59 : x
  2. Step 2: Convert to fraction form
    3,265.79/4,506.57 = 1,939.59/x
  3. Step 3: Cross multiply
    3,265.79x = 4,506.57 × 1,939.59
  4. Step 4: Simplify right side
    3,265.79x = 8,740,898.11
  5. Step 5: Solve for x
    x = 8,740,898.11/3,265.79
  6. Step 6: Final answer
    x = 2,676.51

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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.