Home / 3,169.35-4,750.74-1,087.65

Finding the Fourth Proportional to 3,169.35, 4,750.74 and 1,087.65

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Solution

The fourth proportional to 3,169.35, 4,750.74 and 1,087.65 is: 1,630.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.35 : 4,750.74 = 1,087.65 : x
  2. Step 2: Convert to fraction form
    3,169.35/4,750.74 = 1,087.65/x
  3. Step 3: Cross multiply
    3,169.35x = 4,750.74 × 1,087.65
  4. Step 4: Simplify right side
    3,169.35x = 5,167,142.36
  5. Step 5: Solve for x
    x = 5,167,142.36/3,169.35
  6. Step 6: Final answer
    x = 1,630.35

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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.