Home / 1,419.26-2,113.83-1,412.24

Finding the Fourth Proportional to 1,419.26, 2,113.83 and 1,412.24

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Solution

The fourth proportional to 1,419.26, 2,113.83 and 1,412.24 is: 2,103.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419.26 : 2,113.83 = 1,412.24 : x
  2. Step 2: Convert to fraction form
    1,419.26/2,113.83 = 1,412.24/x
  3. Step 3: Cross multiply
    1,419.26x = 2,113.83 × 1,412.24
  4. Step 4: Simplify right side
    1,419.26x = 2,985,224.71
  5. Step 5: Solve for x
    x = 2,985,224.71/1,419.26
  6. Step 6: Final answer
    x = 2,103.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.