Home / 2,752.61-4,107.48-2,645.99

Finding the Fourth Proportional to 2,752.61, 4,107.48 and 2,645.99

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Solution

The fourth proportional to 2,752.61, 4,107.48 and 2,645.99 is: 3,948.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.61 : 4,107.48 = 2,645.99 : x
  2. Step 2: Convert to fraction form
    2,752.61/4,107.48 = 2,645.99/x
  3. Step 3: Cross multiply
    2,752.61x = 4,107.48 × 2,645.99
  4. Step 4: Simplify right side
    2,752.61x = 10,868,351.01
  5. Step 5: Solve for x
    x = 10,868,351.01/2,752.61
  6. Step 6: Final answer
    x = 3,948.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.