Home / 1,749.40-2,624.20-450.87

Finding the Fourth Proportional to 1,749.40, 2,624.20 and 450.87

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Solution

The fourth proportional to 1,749.40, 2,624.20 and 450.87 is: 676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.40 : 2,624.20 = 450.87 : x
  2. Step 2: Convert to fraction form
    1,749.40/2,624.20 = 450.87/x
  3. Step 3: Cross multiply
    1,749.40x = 2,624.20 × 450.87
  4. Step 4: Simplify right side
    1,749.40x = 1,183,162.09
  5. Step 5: Solve for x
    x = 1,183,162.09/1,749.40
  6. Step 6: Final answer
    x = 676.33

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1.5x scale

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.