Home / 1,634.88-2,450.28-904.92

Finding the Fourth Proportional to 1,634.88, 2,450.28 and 904.92

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Solution

The fourth proportional to 1,634.88, 2,450.28 and 904.92 is: 1,356.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.88 : 2,450.28 = 904.92 : x
  2. Step 2: Convert to fraction form
    1,634.88/2,450.28 = 904.92/x
  3. Step 3: Cross multiply
    1,634.88x = 2,450.28 × 904.92
  4. Step 4: Simplify right side
    1,634.88x = 2,217,307.38
  5. Step 5: Solve for x
    x = 2,217,307.38/1,634.88
  6. Step 6: Final answer
    x = 1,356.25

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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.