Home / 3,618.74-5,425.68-1,770.32

Finding the Fourth Proportional to 3,618.74, 5,425.68 and 1,770.32

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Solution

The fourth proportional to 3,618.74, 5,425.68 and 1,770.32 is: 2,654.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.74 : 5,425.68 = 1,770.32 : x
  2. Step 2: Convert to fraction form
    3,618.74/5,425.68 = 1,770.32/x
  3. Step 3: Cross multiply
    3,618.74x = 5,425.68 × 1,770.32
  4. Step 4: Simplify right side
    3,618.74x = 9,605,189.82
  5. Step 5: Solve for x
    x = 9,605,189.82/3,618.74
  6. Step 6: Final answer
    x = 2,654.29

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1.5x scale

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.