Home / 1,742.54-2,403.50-1,043.42

Finding the Fourth Proportional to 1,742.54, 2,403.50 and 1,043.42

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Solution

The fourth proportional to 1,742.54, 2,403.50 and 1,043.42 is: 1,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.54 : 2,403.50 = 1,043.42 : x
  2. Step 2: Convert to fraction form
    1,742.54/2,403.50 = 1,043.42/x
  3. Step 3: Cross multiply
    1,742.54x = 2,403.50 × 1,043.42
  4. Step 4: Simplify right side
    1,742.54x = 2,507,859.97
  5. Step 5: Solve for x
    x = 2,507,859.97/1,742.54
  6. Step 6: Final answer
    x = 1,439.20

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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.