Home / 2,141.23-3,210.75-841.99

Finding the Fourth Proportional to 2,141.23, 3,210.75 and 841.99

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Solution

The fourth proportional to 2,141.23, 3,210.75 and 841.99 is: 1,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141.23 : 3,210.75 = 841.99 : x
  2. Step 2: Convert to fraction form
    2,141.23/3,210.75 = 841.99/x
  3. Step 3: Cross multiply
    2,141.23x = 3,210.75 × 841.99
  4. Step 4: Simplify right side
    2,141.23x = 2,703,419.39
  5. Step 5: Solve for x
    x = 2,703,419.39/2,141.23
  6. Step 6: Final answer
    x = 1,262.55

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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.