Home / 1,626.87-2,438.73-749.97

Finding the Fourth Proportional to 1,626.87, 2,438.73 and 749.97

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Solution

The fourth proportional to 1,626.87, 2,438.73 and 749.97 is: 1,124.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.87 : 2,438.73 = 749.97 : x
  2. Step 2: Convert to fraction form
    1,626.87/2,438.73 = 749.97/x
  3. Step 3: Cross multiply
    1,626.87x = 2,438.73 × 749.97
  4. Step 4: Simplify right side
    1,626.87x = 1,828,970.59
  5. Step 5: Solve for x
    x = 1,828,970.59/1,626.87
  6. Step 6: Final answer
    x = 1,124.23

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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.