Home / 1,742.33-2,403.92-1,348.67

Finding the Fourth Proportional to 1,742.33, 2,403.92 and 1,348.67

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Solution

The fourth proportional to 1,742.33, 2,403.92 and 1,348.67 is: 1,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.33 : 2,403.92 = 1,348.67 : x
  2. Step 2: Convert to fraction form
    1,742.33/2,403.92 = 1,348.67/x
  3. Step 3: Cross multiply
    1,742.33x = 2,403.92 × 1,348.67
  4. Step 4: Simplify right side
    1,742.33x = 3,242,076.02
  5. Step 5: Solve for x
    x = 3,242,076.02/1,742.33
  6. Step 6: Final answer
    x = 1,860.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.