Home / 4,042.43-5,578.64-2,365.12

Finding the Fourth Proportional to 4,042.43, 5,578.64 and 2,365.12

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Solution

The fourth proportional to 4,042.43, 5,578.64 and 2,365.12 is: 3,263.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.43 : 5,578.64 = 2,365.12 : x
  2. Step 2: Convert to fraction form
    4,042.43/5,578.64 = 2,365.12/x
  3. Step 3: Cross multiply
    4,042.43x = 5,578.64 × 2,365.12
  4. Step 4: Simplify right side
    4,042.43x = 13,194,141.21
  5. Step 5: Solve for x
    x = 13,194,141.21/4,042.43
  6. Step 6: Final answer
    x = 3,263.91

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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.