Home / 1,622.66-2,433.27-756.50

Finding the Fourth Proportional to 1,622.66, 2,433.27 and 756.50

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Solution

The fourth proportional to 1,622.66, 2,433.27 and 756.50 is: 1,134.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.66 : 2,433.27 = 756.50 : x
  2. Step 2: Convert to fraction form
    1,622.66/2,433.27 = 756.50/x
  3. Step 3: Cross multiply
    1,622.66x = 2,433.27 × 756.50
  4. Step 4: Simplify right side
    1,622.66x = 1,840,768.76
  5. Step 5: Solve for x
    x = 1,840,768.76/1,622.66
  6. Step 6: Final answer
    x = 1,134.41

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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.