Home / 3,311.46-4,965.59-1,925.20

Finding the Fourth Proportional to 3,311.46, 4,965.59 and 1,925.20

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Solution

The fourth proportional to 3,311.46, 4,965.59 and 1,925.20 is: 2,886.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.46 : 4,965.59 = 1,925.20 : x
  2. Step 2: Convert to fraction form
    3,311.46/4,965.59 = 1,925.20/x
  3. Step 3: Cross multiply
    3,311.46x = 4,965.59 × 1,925.20
  4. Step 4: Simplify right side
    3,311.46x = 9,559,753.87
  5. Step 5: Solve for x
    x = 9,559,753.87/3,311.46
  6. Step 6: Final answer
    x = 2,886.87

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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.