Home / 1,634.13-2,454.35-1,400.40

Finding the Fourth Proportional to 1,634.13, 2,454.35 and 1,400.40

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Solution

The fourth proportional to 1,634.13, 2,454.35 and 1,400.40 is: 2,103.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.13 : 2,454.35 = 1,400.40 : x
  2. Step 2: Convert to fraction form
    1,634.13/2,454.35 = 1,400.40/x
  3. Step 3: Cross multiply
    1,634.13x = 2,454.35 × 1,400.40
  4. Step 4: Simplify right side
    1,634.13x = 3,437,052.47
  5. Step 5: Solve for x
    x = 3,437,052.47/1,634.13
  6. Step 6: Final answer
    x = 2,103.29

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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.