Home / 2,274.15-3,137.51-1,329.60

Finding the Fourth Proportional to 2,274.15, 3,137.51 and 1,329.60

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Solution

The fourth proportional to 2,274.15, 3,137.51 and 1,329.60 is: 1,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,274.15 : 3,137.51 = 1,329.60 : x
  2. Step 2: Convert to fraction form
    2,274.15/3,137.51 = 1,329.60/x
  3. Step 3: Cross multiply
    2,274.15x = 3,137.51 × 1,329.60
  4. Step 4: Simplify right side
    2,274.15x = 4,171,626.65
  5. Step 5: Solve for x
    x = 4,171,626.65/2,274.15
  6. Step 6: Final answer
    x = 1,834.37

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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.