Home / 1,742.56-2,403.40-1,183.46

Finding the Fourth Proportional to 1,742.56, 2,403.40 and 1,183.46

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Solution

The fourth proportional to 1,742.56, 2,403.40 and 1,183.46 is: 1,632.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.56 : 2,403.40 = 1,183.46 : x
  2. Step 2: Convert to fraction form
    1,742.56/2,403.40 = 1,183.46/x
  3. Step 3: Cross multiply
    1,742.56x = 2,403.40 × 1,183.46
  4. Step 4: Simplify right side
    1,742.56x = 2,844,327.76
  5. Step 5: Solve for x
    x = 2,844,327.76/1,742.56
  6. Step 6: Final answer
    x = 1,632.27

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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.