Home / 3,428.32-4,731.12-1,935.94

Finding the Fourth Proportional to 3,428.32, 4,731.12 and 1,935.94

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Solution

The fourth proportional to 3,428.32, 4,731.12 and 1,935.94 is: 2,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.32 : 4,731.12 = 1,935.94 : x
  2. Step 2: Convert to fraction form
    3,428.32/4,731.12 = 1,935.94/x
  3. Step 3: Cross multiply
    3,428.32x = 4,731.12 × 1,935.94
  4. Step 4: Simplify right side
    3,428.32x = 9,159,164.45
  5. Step 5: Solve for x
    x = 9,159,164.45/3,428.32
  6. Step 6: Final answer
    x = 2,671.62

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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.