Home / 4,042.48-5,578.88-2,529.80

Finding the Fourth Proportional to 4,042.48, 5,578.88 and 2,529.80

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Solution

The fourth proportional to 4,042.48, 5,578.88 and 2,529.80 is: 3,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.48 : 5,578.88 = 2,529.80 : x
  2. Step 2: Convert to fraction form
    4,042.48/5,578.88 = 2,529.80/x
  3. Step 3: Cross multiply
    4,042.48x = 5,578.88 × 2,529.80
  4. Step 4: Simplify right side
    4,042.48x = 14,113,450.62
  5. Step 5: Solve for x
    x = 14,113,450.62/4,042.48
  6. Step 6: Final answer
    x = 3,491.29

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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.