Home / 3,079.05-4,248.78-1,752.69

Finding the Fourth Proportional to 3,079.05, 4,248.78 and 1,752.69

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Solution

The fourth proportional to 3,079.05, 4,248.78 and 1,752.69 is: 2,418.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.05 : 4,248.78 = 1,752.69 : x
  2. Step 2: Convert to fraction form
    3,079.05/4,248.78 = 1,752.69/x
  3. Step 3: Cross multiply
    3,079.05x = 4,248.78 × 1,752.69
  4. Step 4: Simplify right side
    3,079.05x = 7,446,794.22
  5. Step 5: Solve for x
    x = 7,446,794.22/3,079.05
  6. Step 6: Final answer
    x = 2,418.54

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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.