Home / 1,419.14-2,125.26-1,056.26

Finding the Fourth Proportional to 1,419.14, 2,125.26 and 1,056.26

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Solution

The fourth proportional to 1,419.14, 2,125.26 and 1,056.26 is: 1,581.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419.14 : 2,125.26 = 1,056.26 : x
  2. Step 2: Convert to fraction form
    1,419.14/2,125.26 = 1,056.26/x
  3. Step 3: Cross multiply
    1,419.14x = 2,125.26 × 1,056.26
  4. Step 4: Simplify right side
    1,419.14x = 2,244,816.50
  5. Step 5: Solve for x
    x = 2,244,816.50/1,419.14
  6. Step 6: Final answer
    x = 1,581.82

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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.