Home / 2,740.28-4,106.74-1,765.88

Finding the Fourth Proportional to 2,740.28, 4,106.74 and 1,765.88

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Solution

The fourth proportional to 2,740.28, 4,106.74 and 1,765.88 is: 2,646.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.28 : 4,106.74 = 1,765.88 : x
  2. Step 2: Convert to fraction form
    2,740.28/4,106.74 = 1,765.88/x
  3. Step 3: Cross multiply
    2,740.28x = 4,106.74 × 1,765.88
  4. Step 4: Simplify right side
    2,740.28x = 7,252,010.03
  5. Step 5: Solve for x
    x = 7,252,010.03/2,740.28
  6. Step 6: Final answer
    x = 2,646.45

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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.