Home / 1,624.03-2,436.90-746.80

Finding the Fourth Proportional to 1,624.03, 2,436.90 and 746.80

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Solution

The fourth proportional to 1,624.03, 2,436.90 and 746.80 is: 1,120.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.03 : 2,436.90 = 746.80 : x
  2. Step 2: Convert to fraction form
    1,624.03/2,436.90 = 746.80/x
  3. Step 3: Cross multiply
    1,624.03x = 2,436.90 × 746.80
  4. Step 4: Simplify right side
    1,624.03x = 1,819,876.92
  5. Step 5: Solve for x
    x = 1,819,876.92/1,624.03
  6. Step 6: Final answer
    x = 1,120.59

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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.