Home / 3,428.08-4,730.68-1,935.96

Finding the Fourth Proportional to 3,428.08, 4,730.68 and 1,935.96

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Solution

The fourth proportional to 3,428.08, 4,730.68 and 1,935.96 is: 2,671.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.08 : 4,730.68 = 1,935.96 : x
  2. Step 2: Convert to fraction form
    3,428.08/4,730.68 = 1,935.96/x
  3. Step 3: Cross multiply
    3,428.08x = 4,730.68 × 1,935.96
  4. Step 4: Simplify right side
    3,428.08x = 9,158,407.25
  5. Step 5: Solve for x
    x = 9,158,407.25/3,428.08
  6. Step 6: Final answer
    x = 2,671.59

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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.