Home / 1,622.01-2,433.33-1,123.80

Finding the Fourth Proportional to 1,622.01, 2,433.33 and 1,123.80

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Solution

The fourth proportional to 1,622.01, 2,433.33 and 1,123.80 is: 1,685.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.01 : 2,433.33 = 1,123.80 : x
  2. Step 2: Convert to fraction form
    1,622.01/2,433.33 = 1,123.80/x
  3. Step 3: Cross multiply
    1,622.01x = 2,433.33 × 1,123.80
  4. Step 4: Simplify right side
    1,622.01x = 2,734,567.13
  5. Step 5: Solve for x
    x = 2,734,567.13/1,622.01
  6. Step 6: Final answer
    x = 1,685.91

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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.