Home / 2,740.38-4,106.25-1,645.26

Finding the Fourth Proportional to 2,740.38, 4,106.25 and 1,645.26

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Solution

The fourth proportional to 2,740.38, 4,106.25 and 1,645.26 is: 2,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.38 : 4,106.25 = 1,645.26 : x
  2. Step 2: Convert to fraction form
    2,740.38/4,106.25 = 1,645.26/x
  3. Step 3: Cross multiply
    2,740.38x = 4,106.25 × 1,645.26
  4. Step 4: Simplify right side
    2,740.38x = 6,755,848.88
  5. Step 5: Solve for x
    x = 6,755,848.88/2,740.38
  6. Step 6: Final answer
    x = 2,465.30

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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.