Home / 1,334.03-2,001.24-409.45

Finding the Fourth Proportional to 1,334.03, 2,001.24 and 409.45

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Solution

The fourth proportional to 1,334.03, 2,001.24 and 409.45 is: 614.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.03 : 2,001.24 = 409.45 : x
  2. Step 2: Convert to fraction form
    1,334.03/2,001.24 = 409.45/x
  3. Step 3: Cross multiply
    1,334.03x = 2,001.24 × 409.45
  4. Step 4: Simplify right side
    1,334.03x = 819,405.67
  5. Step 5: Solve for x
    x = 819,405.67/1,334.03
  6. Step 6: Final answer
    x = 614.23

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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.