Home / 3,095.72-4,272.20-1,769.40

Finding the Fourth Proportional to 3,095.72, 4,272.20 and 1,769.40

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Solution

The fourth proportional to 3,095.72, 4,272.20 and 1,769.40 is: 2,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.72 : 4,272.20 = 1,769.40 : x
  2. Step 2: Convert to fraction form
    3,095.72/4,272.20 = 1,769.40/x
  3. Step 3: Cross multiply
    3,095.72x = 4,272.20 × 1,769.40
  4. Step 4: Simplify right side
    3,095.72x = 7,559,230.68
  5. Step 5: Solve for x
    x = 7,559,230.68/3,095.72
  6. Step 6: Final answer
    x = 2,441.83

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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.