Home / 4,041.21-5,578.38-2,643.96

Finding the Fourth Proportional to 4,041.21, 5,578.38 and 2,643.96

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Solution

The fourth proportional to 4,041.21, 5,578.38 and 2,643.96 is: 3,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,041.21 : 5,578.38 = 2,643.96 : x
  2. Step 2: Convert to fraction form
    4,041.21/5,578.38 = 2,643.96/x
  3. Step 3: Cross multiply
    4,041.21x = 5,578.38 × 2,643.96
  4. Step 4: Simplify right side
    4,041.21x = 14,749,013.58
  5. Step 5: Solve for x
    x = 14,749,013.58/4,041.21
  6. Step 6: Final answer
    x = 3,649.65

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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.