Home / 2,093.49-3,140.91-1,686.60

Finding the Fourth Proportional to 2,093.49, 3,140.91 and 1,686.60

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Solution

The fourth proportional to 2,093.49, 3,140.91 and 1,686.60 is: 2,530.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.49 : 3,140.91 = 1,686.60 : x
  2. Step 2: Convert to fraction form
    2,093.49/3,140.91 = 1,686.60/x
  3. Step 3: Cross multiply
    2,093.49x = 3,140.91 × 1,686.60
  4. Step 4: Simplify right side
    2,093.49x = 5,297,458.81
  5. Step 5: Solve for x
    x = 5,297,458.81/2,093.49
  6. Step 6: Final answer
    x = 2,530.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.