Home / 2,554.66-3,529.68-2,272.39

Finding the Fourth Proportional to 2,554.66, 3,529.68 and 2,272.39

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Solution

The fourth proportional to 2,554.66, 3,529.68 and 2,272.39 is: 3,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,554.66 : 3,529.68 = 2,272.39 : x
  2. Step 2: Convert to fraction form
    2,554.66/3,529.68 = 2,272.39/x
  3. Step 3: Cross multiply
    2,554.66x = 3,529.68 × 2,272.39
  4. Step 4: Simplify right side
    2,554.66x = 8,020,809.54
  5. Step 5: Solve for x
    x = 8,020,809.54/2,554.66
  6. Step 6: Final answer
    x = 3,139.68

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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.