Home / 3,454.20-4,770.16-2,953.94

Finding the Fourth Proportional to 3,454.20, 4,770.16 and 2,953.94

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Solution

The fourth proportional to 3,454.20, 4,770.16 and 2,953.94 is: 4,079.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.20 : 4,770.16 = 2,953.94 : x
  2. Step 2: Convert to fraction form
    3,454.20/4,770.16 = 2,953.94/x
  3. Step 3: Cross multiply
    3,454.20x = 4,770.16 × 2,953.94
  4. Step 4: Simplify right side
    3,454.20x = 14,090,766.43
  5. Step 5: Solve for x
    x = 14,090,766.43/3,454.20
  6. Step 6: Final answer
    x = 4,079.31

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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.