Home / 3,429.43-5,140.26-1,576.72

Finding the Fourth Proportional to 3,429.43, 5,140.26 and 1,576.72

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Solution

The fourth proportional to 3,429.43, 5,140.26 and 1,576.72 is: 2,363.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.43 : 5,140.26 = 1,576.72 : x
  2. Step 2: Convert to fraction form
    3,429.43/5,140.26 = 1,576.72/x
  3. Step 3: Cross multiply
    3,429.43x = 5,140.26 × 1,576.72
  4. Step 4: Simplify right side
    3,429.43x = 8,104,750.75
  5. Step 5: Solve for x
    x = 8,104,750.75/3,429.43
  6. Step 6: Final answer
    x = 2,363.29

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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.