Home / 1,419.22-2,128.34-597.34

Finding the Fourth Proportional to 1,419.22, 2,128.34 and 597.34

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Solution

The fourth proportional to 1,419.22, 2,128.34 and 597.34 is: 895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419.22 : 2,128.34 = 597.34 : x
  2. Step 2: Convert to fraction form
    1,419.22/2,128.34 = 597.34/x
  3. Step 3: Cross multiply
    1,419.22x = 2,128.34 × 597.34
  4. Step 4: Simplify right side
    1,419.22x = 1,271,342.62
  5. Step 5: Solve for x
    x = 1,271,342.62/1,419.22
  6. Step 6: Final answer
    x = 895.80

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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.