Home / 4,071.39-5,618.73-2,578.76

Finding the Fourth Proportional to 4,071.39, 5,618.73 and 2,578.76

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Solution

The fourth proportional to 4,071.39, 5,618.73 and 2,578.76 is: 3,558.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.39 : 5,618.73 = 2,578.76 : x
  2. Step 2: Convert to fraction form
    4,071.39/5,618.73 = 2,578.76/x
  3. Step 3: Cross multiply
    4,071.39x = 5,618.73 × 2,578.76
  4. Step 4: Simplify right side
    4,071.39x = 14,489,356.17
  5. Step 5: Solve for x
    x = 14,489,356.17/4,071.39
  6. Step 6: Final answer
    x = 3,558.82

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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.