Home / 1,419.06-2,125.23-897.24

Finding the Fourth Proportional to 1,419.06, 2,125.23 and 897.24

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Solution

The fourth proportional to 1,419.06, 2,125.23 and 897.24 is: 1,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419.06 : 2,125.23 = 897.24 : x
  2. Step 2: Convert to fraction form
    1,419.06/2,125.23 = 897.24/x
  3. Step 3: Cross multiply
    1,419.06x = 2,125.23 × 897.24
  4. Step 4: Simplify right side
    1,419.06x = 1,906,841.37
  5. Step 5: Solve for x
    x = 1,906,841.37/1,419.06
  6. Step 6: Final answer
    x = 1,343.74

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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.