Home / 1,425.06-2,137.67-603.18

Finding the Fourth Proportional to 1,425.06, 2,137.67 and 603.18

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Solution

The fourth proportional to 1,425.06, 2,137.67 and 603.18 is: 904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425.06 : 2,137.67 = 603.18 : x
  2. Step 2: Convert to fraction form
    1,425.06/2,137.67 = 603.18/x
  3. Step 3: Cross multiply
    1,425.06x = 2,137.67 × 603.18
  4. Step 4: Simplify right side
    1,425.06x = 1,289,399.79
  5. Step 5: Solve for x
    x = 1,289,399.79/1,425.06
  6. Step 6: Final answer
    x = 904.80

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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.