Home / 3,301.67-4,951.62-1,428.21

Finding the Fourth Proportional to 3,301.67, 4,951.62 and 1,428.21

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Solution

The fourth proportional to 3,301.67, 4,951.62 and 1,428.21 is: 2,141.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.67 : 4,951.62 = 1,428.21 : x
  2. Step 2: Convert to fraction form
    3,301.67/4,951.62 = 1,428.21/x
  3. Step 3: Cross multiply
    3,301.67x = 4,951.62 × 1,428.21
  4. Step 4: Simplify right side
    3,301.67x = 7,071,953.20
  5. Step 5: Solve for x
    x = 7,071,953.20/3,301.67
  6. Step 6: Final answer
    x = 2,141.93

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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.