Home / 2,568.76-3,538.75-2,443.69

Finding the Fourth Proportional to 2,568.76, 3,538.75 and 2,443.69

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Solution

The fourth proportional to 2,568.76, 3,538.75 and 2,443.69 is: 3,366.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.76 : 3,538.75 = 2,443.69 : x
  2. Step 2: Convert to fraction form
    2,568.76/3,538.75 = 2,443.69/x
  3. Step 3: Cross multiply
    2,568.76x = 3,538.75 × 2,443.69
  4. Step 4: Simplify right side
    2,568.76x = 8,647,607.99
  5. Step 5: Solve for x
    x = 8,647,607.99/2,568.76
  6. Step 6: Final answer
    x = 3,366.45

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Half scale
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Double 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.