Home / 1,749.96-2,620.08-1,489.68

Finding the Fourth Proportional to 1,749.96, 2,620.08 and 1,489.68

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Solution

The fourth proportional to 1,749.96, 2,620.08 and 1,489.68 is: 2,230.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.96 : 2,620.08 = 1,489.68 : x
  2. Step 2: Convert to fraction form
    1,749.96/2,620.08 = 1,489.68/x
  3. Step 3: Cross multiply
    1,749.96x = 2,620.08 × 1,489.68
  4. Step 4: Simplify right side
    1,749.96x = 3,903,080.77
  5. Step 5: Solve for x
    x = 3,903,080.77/1,749.96
  6. Step 6: Final answer
    x = 2,230.38

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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.