Home / 2,260.21-3,403.87-1,989.27

Finding the Fourth Proportional to 2,260.21, 3,403.87 and 1,989.27

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Solution

The fourth proportional to 2,260.21, 3,403.87 and 1,989.27 is: 2,995.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.21 : 3,403.87 = 1,989.27 : x
  2. Step 2: Convert to fraction form
    2,260.21/3,403.87 = 1,989.27/x
  3. Step 3: Cross multiply
    2,260.21x = 3,403.87 × 1,989.27
  4. Step 4: Simplify right side
    2,260.21x = 6,771,216.47
  5. Step 5: Solve for x
    x = 6,771,216.47/2,260.21
  6. Step 6: Final answer
    x = 2,995.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.