Home / 3,578.16-4,939.64-2,459.52

Finding the Fourth Proportional to 3,578.16, 4,939.64 and 2,459.52

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Solution

The fourth proportional to 3,578.16, 4,939.64 and 2,459.52 is: 3,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.16 : 4,939.64 = 2,459.52 : x
  2. Step 2: Convert to fraction form
    3,578.16/4,939.64 = 2,459.52/x
  3. Step 3: Cross multiply
    3,578.16x = 4,939.64 × 2,459.52
  4. Step 4: Simplify right side
    3,578.16x = 12,149,143.37
  5. Step 5: Solve for x
    x = 12,149,143.37/3,578.16
  6. Step 6: Final answer
    x = 3,395.36

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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.