Home / 1,740.12-2,615.28-1,449.48

Finding the Fourth Proportional to 1,740.12, 2,615.28 and 1,449.48

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Solution

The fourth proportional to 1,740.12, 2,615.28 and 1,449.48 is: 2,178.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.12 : 2,615.28 = 1,449.48 : x
  2. Step 2: Convert to fraction form
    1,740.12/2,615.28 = 1,449.48/x
  3. Step 3: Cross multiply
    1,740.12x = 2,615.28 × 1,449.48
  4. Step 4: Simplify right side
    1,740.12x = 3,790,796.05
  5. Step 5: Solve for x
    x = 3,790,796.05/1,740.12
  6. Step 6: Final answer
    x = 2,178.47

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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.