Home / 2,141.50-3,212.40-602.62

Finding the Fourth Proportional to 2,141.50, 3,212.40 and 602.62

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Solution

The fourth proportional to 2,141.50, 3,212.40 and 602.62 is: 903.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141.50 : 3,212.40 = 602.62 : x
  2. Step 2: Convert to fraction form
    2,141.50/3,212.40 = 602.62/x
  3. Step 3: Cross multiply
    2,141.50x = 3,212.40 × 602.62
  4. Step 4: Simplify right side
    2,141.50x = 1,935,856.49
  5. Step 5: Solve for x
    x = 1,935,856.49/2,141.50
  6. Step 6: Final answer
    x = 903.97

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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.