Home / 1,635.14-2,454.16-1,122.50

Finding the Fourth Proportional to 1,635.14, 2,454.16 and 1,122.50

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Solution

The fourth proportional to 1,635.14, 2,454.16 and 1,122.50 is: 1,684.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.14 : 2,454.16 = 1,122.50 : x
  2. Step 2: Convert to fraction form
    1,635.14/2,454.16 = 1,122.50/x
  3. Step 3: Cross multiply
    1,635.14x = 2,454.16 × 1,122.50
  4. Step 4: Simplify right side
    1,635.14x = 2,754,794.60
  5. Step 5: Solve for x
    x = 2,754,794.60/1,635.14
  6. Step 6: Final answer
    x = 1,684.75

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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.