Home / 3,515.97-5,276.55-1,667.09

Finding the Fourth Proportional to 3,515.97, 5,276.55 and 1,667.09

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Solution

The fourth proportional to 3,515.97, 5,276.55 and 1,667.09 is: 2,501.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.97 : 5,276.55 = 1,667.09 : x
  2. Step 2: Convert to fraction form
    3,515.97/5,276.55 = 1,667.09/x
  3. Step 3: Cross multiply
    3,515.97x = 5,276.55 × 1,667.09
  4. Step 4: Simplify right side
    3,515.97x = 8,796,483.74
  5. Step 5: Solve for x
    x = 8,796,483.74/3,515.97
  6. Step 6: Final answer
    x = 2,501.87

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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.