Home / 1,411.07-2,114.78-588.21

Finding the Fourth Proportional to 1,411.07, 2,114.78 and 588.21

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Solution

The fourth proportional to 1,411.07, 2,114.78 and 588.21 is: 881.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411.07 : 2,114.78 = 588.21 : x
  2. Step 2: Convert to fraction form
    1,411.07/2,114.78 = 588.21/x
  3. Step 3: Cross multiply
    1,411.07x = 2,114.78 × 588.21
  4. Step 4: Simplify right side
    1,411.07x = 1,243,940.73
  5. Step 5: Solve for x
    x = 1,243,940.73/1,411.07
  6. Step 6: Final answer
    x = 881.56

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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.