Home / 2,608.11-3,599.82-1,770.21

Finding the Fourth Proportional to 2,608.11, 3,599.82 and 1,770.21

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Solution

The fourth proportional to 2,608.11, 3,599.82 and 1,770.21 is: 2,443.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608.11 : 3,599.82 = 1,770.21 : x
  2. Step 2: Convert to fraction form
    2,608.11/3,599.82 = 1,770.21/x
  3. Step 3: Cross multiply
    2,608.11x = 3,599.82 × 1,770.21
  4. Step 4: Simplify right side
    2,608.11x = 6,372,437.36
  5. Step 5: Solve for x
    x = 6,372,437.36/2,608.11
  6. Step 6: Final answer
    x = 2,443.32

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Half scale
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1.5x scale

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.