Home / 1,433.34-2,150.07-611.06

Finding the Fourth Proportional to 1,433.34, 2,150.07 and 611.06

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Solution

The fourth proportional to 1,433.34, 2,150.07 and 611.06 is: 916.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.34 : 2,150.07 = 611.06 : x
  2. Step 2: Convert to fraction form
    1,433.34/2,150.07 = 611.06/x
  3. Step 3: Cross multiply
    1,433.34x = 2,150.07 × 611.06
  4. Step 4: Simplify right side
    1,433.34x = 1,313,811.02
  5. Step 5: Solve for x
    x = 1,313,811.02/1,433.34
  6. Step 6: Final answer
    x = 916.61

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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.