Home / 3,425.15-5,134.75-1,667.71

Finding the Fourth Proportional to 3,425.15, 5,134.75 and 1,667.71

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Solution

The fourth proportional to 3,425.15, 5,134.75 and 1,667.71 is: 2,500.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.15 : 5,134.75 = 1,667.71 : x
  2. Step 2: Convert to fraction form
    3,425.15/5,134.75 = 1,667.71/x
  3. Step 3: Cross multiply
    3,425.15x = 5,134.75 × 1,667.71
  4. Step 4: Simplify right side
    3,425.15x = 8,563,256.92
  5. Step 5: Solve for x
    x = 8,563,256.92/3,425.15
  6. Step 6: Final answer
    x = 2,500.12

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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.