Home / 2,276.14-3,406.29-1,398.25

Finding the Fourth Proportional to 2,276.14, 3,406.29 and 1,398.25

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Solution

The fourth proportional to 2,276.14, 3,406.29 and 1,398.25 is: 2,092.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.14 : 3,406.29 = 1,398.25 : x
  2. Step 2: Convert to fraction form
    2,276.14/3,406.29 = 1,398.25/x
  3. Step 3: Cross multiply
    2,276.14x = 3,406.29 × 1,398.25
  4. Step 4: Simplify right side
    2,276.14x = 4,762,844.99
  5. Step 5: Solve for x
    x = 4,762,844.99/2,276.14
  6. Step 6: Final answer
    x = 2,092.51

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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.