Home / 3,306.50-4,561.24-1,961.32

Finding the Fourth Proportional to 3,306.50, 4,561.24 and 1,961.32

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Solution

The fourth proportional to 3,306.50, 4,561.24 and 1,961.32 is: 2,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.50 : 4,561.24 = 1,961.32 : x
  2. Step 2: Convert to fraction form
    3,306.50/4,561.24 = 1,961.32/x
  3. Step 3: Cross multiply
    3,306.50x = 4,561.24 × 1,961.32
  4. Step 4: Simplify right side
    3,306.50x = 8,946,051.24
  5. Step 5: Solve for x
    x = 8,946,051.24/3,306.50
  6. Step 6: Final answer
    x = 2,705.60

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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.