Home / 3,295.12-4,942.68-1,445.80

Finding the Fourth Proportional to 3,295.12, 4,942.68 and 1,445.80

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Solution

The fourth proportional to 3,295.12, 4,942.68 and 1,445.80 is: 2,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.12 : 4,942.68 = 1,445.80 : x
  2. Step 2: Convert to fraction form
    3,295.12/4,942.68 = 1,445.80/x
  3. Step 3: Cross multiply
    3,295.12x = 4,942.68 × 1,445.80
  4. Step 4: Simplify right side
    3,295.12x = 7,146,126.74
  5. Step 5: Solve for x
    x = 7,146,126.74/3,295.12
  6. Step 6: Final answer
    x = 2,168.70

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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.