Home / 1,740.41-2,400.49-1,268.45

Finding the Fourth Proportional to 1,740.41, 2,400.49 and 1,268.45

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Solution

The fourth proportional to 1,740.41, 2,400.49 and 1,268.45 is: 1,749.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.41 : 2,400.49 = 1,268.45 : x
  2. Step 2: Convert to fraction form
    1,740.41/2,400.49 = 1,268.45/x
  3. Step 3: Cross multiply
    1,740.41x = 2,400.49 × 1,268.45
  4. Step 4: Simplify right side
    1,740.41x = 3,044,901.54
  5. Step 5: Solve for x
    x = 3,044,901.54/1,740.41
  6. Step 6: Final answer
    x = 1,749.53

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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.