Home / 4,074.39-5,618.70-2,560.77

Finding the Fourth Proportional to 4,074.39, 5,618.70 and 2,560.77

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Solution

The fourth proportional to 4,074.39, 5,618.70 and 2,560.77 is: 3,531.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.39 : 5,618.70 = 2,560.77 : x
  2. Step 2: Convert to fraction form
    4,074.39/5,618.70 = 2,560.77/x
  3. Step 3: Cross multiply
    4,074.39x = 5,618.70 × 2,560.77
  4. Step 4: Simplify right side
    4,074.39x = 14,388,198.40
  5. Step 5: Solve for x
    x = 14,388,198.40/4,074.39
  6. Step 6: Final answer
    x = 3,531.37

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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.