Home / 3,150.05-4,347.09-1,752.80

Finding the Fourth Proportional to 3,150.05, 4,347.09 and 1,752.80

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Solution

The fourth proportional to 3,150.05, 4,347.09 and 1,752.80 is: 2,418.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.05 : 4,347.09 = 1,752.80 : x
  2. Step 2: Convert to fraction form
    3,150.05/4,347.09 = 1,752.80/x
  3. Step 3: Cross multiply
    3,150.05x = 4,347.09 × 1,752.80
  4. Step 4: Simplify right side
    3,150.05x = 7,619,557.62
  5. Step 5: Solve for x
    x = 7,619,557.62/3,150.05
  6. Step 6: Final answer
    x = 2,418.87

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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.