Home / 3,857.32-5,322.18-2,285.14

Finding the Fourth Proportional to 3,857.32, 5,322.18 and 2,285.14

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Solution

The fourth proportional to 3,857.32, 5,322.18 and 2,285.14 is: 3,152.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.32 : 5,322.18 = 2,285.14 : x
  2. Step 2: Convert to fraction form
    3,857.32/5,322.18 = 2,285.14/x
  3. Step 3: Cross multiply
    3,857.32x = 5,322.18 × 2,285.14
  4. Step 4: Simplify right side
    3,857.32x = 12,161,926.41
  5. Step 5: Solve for x
    x = 12,161,926.41/3,857.32
  6. Step 6: Final answer
    x = 3,152.95

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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.