Home / 3,137.05-4,329.06-1,739.80

Finding the Fourth Proportional to 3,137.05, 4,329.06 and 1,739.80

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Solution

The fourth proportional to 3,137.05, 4,329.06 and 1,739.80 is: 2,400.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.05 : 4,329.06 = 1,739.80 : x
  2. Step 2: Convert to fraction form
    3,137.05/4,329.06 = 1,739.80/x
  3. Step 3: Cross multiply
    3,137.05x = 4,329.06 × 1,739.80
  4. Step 4: Simplify right side
    3,137.05x = 7,531,710.52
  5. Step 5: Solve for x
    x = 7,531,710.52/3,137.05
  6. Step 6: Final answer
    x = 2,400.89

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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.