Home / 1,626.96-2,440.26-749.22

Finding the Fourth Proportional to 1,626.96, 2,440.26 and 749.22

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Solution

The fourth proportional to 1,626.96, 2,440.26 and 749.22 is: 1,123.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.96 : 2,440.26 = 749.22 : x
  2. Step 2: Convert to fraction form
    1,626.96/2,440.26 = 749.22/x
  3. Step 3: Cross multiply
    1,626.96x = 2,440.26 × 749.22
  4. Step 4: Simplify right side
    1,626.96x = 1,828,291.60
  5. Step 5: Solve for x
    x = 1,828,291.60/1,626.96
  6. Step 6: Final answer
    x = 1,123.75

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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.