Home / 1,425.26-2,137.25-603.11

Finding the Fourth Proportional to 1,425.26, 2,137.25 and 603.11

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Solution

The fourth proportional to 1,425.26, 2,137.25 and 603.11 is: 904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425.26 : 2,137.25 = 603.11 : x
  2. Step 2: Convert to fraction form
    1,425.26/2,137.25 = 603.11/x
  3. Step 3: Cross multiply
    1,425.26x = 2,137.25 × 603.11
  4. Step 4: Simplify right side
    1,425.26x = 1,289,003.70
  5. Step 5: Solve for x
    x = 1,289,003.70/1,425.26
  6. Step 6: Final answer
    x = 904.40

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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.