Home / 1,424.20-2,135.67-602.02

Finding the Fourth Proportional to 1,424.20, 2,135.67 and 602.02

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Solution

The fourth proportional to 1,424.20, 2,135.67 and 602.02 is: 902.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424.20 : 2,135.67 = 602.02 : x
  2. Step 2: Convert to fraction form
    1,424.20/2,135.67 = 602.02/x
  3. Step 3: Cross multiply
    1,424.20x = 2,135.67 × 602.02
  4. Step 4: Simplify right side
    1,424.20x = 1,285,716.05
  5. Step 5: Solve for x
    x = 1,285,716.05/1,424.20
  6. Step 6: Final answer
    x = 902.76

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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.